Weather forecast and meteo conditions in Ukraine and the world

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Detailed hourly weather forecast in Chelmsford

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Local time.
Time zone: GMT -4
Summertime (plus one hour)
* weather indicated in local time
Monday, March 17, 2025
The Sun:  Sunrise 07:33, Sunset 19:34.
The Moon:  Moonrise 23:28, Moonset 08:32, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Active
 UV index: 3,3 (Moderate)

14:00by dayfrom 14:00 to 14:59Clear skies, no precipitation
Air temperature:
 -1 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
southwest
Wind: light breeze, southwest, speed 7 km/h
Wind gusts: 14 km/h
Relative humidity: 33%
Cloudiness: 0%
Atmospheric pressure: 988 hPa
UV index: 3,3 (Moderate)
Visibility: 100%

15:00by dayfrom 15:00 to 15:59Clear skies, no precipitation
Air temperature:
 0 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
southwest
Wind: light breeze, southwest, speed 11 km/h
Wind gusts: 22 km/h
Relative humidity: 30%
Cloudiness: 11%
Atmospheric pressure: 987 hPa
UV index: 2,7 (Low)
Visibility: 100%

16:00by dayfrom 16:00 to 16:59Clear skies, no precipitation
Air temperature:
 +1 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
southwest
Wind: light breeze, southwest, speed 11 km/h
Wind gusts: 22 km/h
Relative humidity: 29%
Cloudiness: 44%
Atmospheric pressure: 987 hPa
UV index: 1,9 (Low)
Visibility: 100%

17:00by dayfrom 17:00 to 17:59Cloudy sky, no precipitation
Air temperature:
 +1 °CThe temperature will not change
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southwest
Wind: light breeze, southwest, speed 11 km/h
Wind gusts: 22 km/h
Relative humidity: 29%
Cloudiness: 71%
Atmospheric pressure: 987 hPa
UV index: 1 (Low)
Visibility: 100%

18:00in the eveningfrom 18:00 to 18:59Light cloud cover in the sky, no precipitation
Air temperature:
 0 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
southwest
Wind: light breeze, southwest, speed 11 km/h
Wind gusts: 25 km/h
Relative humidity: 33%
Cloudiness: 49%
Atmospheric pressure: 985 hPa
Amount of precipitations: 13,3 mm
UV index: 0,3 (Low)
Visibility: 100%

19:00in the eveningfrom 19:00 to 19:59Cloudy sky, no precipitation
Air temperature:
 -1 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southwest
Wind: gentle breeze, southwest, speed 14 km/h
Wind gusts: 25 km/h
Relative humidity: 54%
Cloudiness: 64%
Atmospheric pressure: 987 hPa
Visibility: 100%

20:00in the eveningfrom 20:00 to 20:59The sky is overcast, no precipitation
Air temperature:
 -2 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
southern
Wind: light breeze, southern, speed 11 km/h
Wind gusts: 22 km/h
Relative humidity: 73%
Cloudiness: 100%
Atmospheric pressure: 987 hPa
Visibility: 100%

21:00in the eveningfrom 21:00 to 21:59The sky is overcast, no precipitation
Air temperature:
 -3 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
southern
Wind: light breeze, southern, speed 11 km/h
Wind gusts: 25 km/h
Relative humidity: 74%
Cloudiness: 99%
Atmospheric pressure: 987 hPa
Visibility: 100%

22:00in the eveningfrom 22:00 to 22:59The sky is overcast, no precipitation
Air temperature:
 -4 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
southern
Wind: light breeze, southern, speed 11 km/h
Wind gusts: 22 km/h
Relative humidity: 76%
Cloudiness: 100%
Atmospheric pressure: 985 hPa
Visibility: 26%

23:00in the eveningfrom 23:00 to 23:59Light snow expected
Air temperature:
 -4 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southeast
Wind: light breeze, southeast, speed 11 km/h
Wind gusts: 18 km/h
Relative humidity: 78%
Cloudiness: 100%
Atmospheric pressure: 984 hPa
Amount of precipitations: 0,1 mm
Visibility: 34%

Tuesday, March 18, 2025
The Sun:  Sunrise 07:31, Sunset 19:35.
The Moon:  Moonrise --:--, Moonset 08:52, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Unstable
 UV index: 2,8 (Low)

00:00at nightfrom 00:00 to 00:59Light snow expected
Air temperature:
 -4 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southern
Wind: light breeze, southern, speed 11 km/h
Wind gusts: 29 km/h
Relative humidity: 78%
Cloudiness: 100%
Atmospheric pressure: 984 hPa
Amount of precipitations: 0,1 mm
Visibility: 99%

01:00at nightfrom 01:00 to 01:59Light snow expected
Air temperature:
 -4 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southeast
Wind: light breeze, southeast, speed 11 km/h
Wind gusts: 40 km/h
Relative humidity: 73%
Cloudiness: 100%
Atmospheric pressure: 984 hPa
Amount of precipitations: 0,1 mm
Visibility: 100%

02:00at nightfrom 02:00 to 02:59Light snow expected
Air temperature:
 -4 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southeast
Wind: gentle breeze, southeast, speed 14 km/h
Wind gusts: 32 km/h
Relative humidity: 81%
Cloudiness: 99%
Atmospheric pressure: 983 hPa
Amount of precipitations: 0,1 mm
Visibility: 99%

03:00at nightfrom 03:00 to 03:59Cloudy sky, no precipitation
Air temperature:
 -4 °CThe temperature will not change
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
southeast
Wind: gentle breeze, southeast, speed 14 km/h
Wind gusts: 40 km/h
Relative humidity: 81%
Cloudiness: 95%
Atmospheric pressure: 981 hPa
Visibility: 100%

04:00at nightfrom 04:00 to 04:59Light snow expected
Air temperature:
 -3 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southeast
Wind: gentle breeze, southeast, speed 14 km/h
Wind gusts: 32 km/h
Relative humidity: 83%
Cloudiness: 98%
Atmospheric pressure: 979 hPa
Amount of precipitations: 0,1 mm
Visibility: 80%

05:00at nightfrom 05:00 to 05:59Light snow expected
Air temperature:
 -3 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southern
Wind: light breeze, southern, speed 11 km/h
Wind gusts: 36 km/h
Relative humidity: 86%
Cloudiness: 98%
Atmospheric pressure: 979 hPa
Amount of precipitations: 0,2 mm
Visibility: 17%

06:00in the morningfrom 06:00 to 06:59Light snow expected
Air temperature:
 -2 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 36 km/h
Relative humidity: 87%
Cloudiness: 100%
Atmospheric pressure: 977 hPa
Amount of precipitations: 0,3 mm
Visibility: 12%

07:00in the morningfrom 07:00 to 07:59Light snow expected
Air temperature:
 -2 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 36 km/h
Relative humidity: 87%
Cloudiness: 100%
Atmospheric pressure: 977 hPa
Amount of precipitations: 0,2 mm
Visibility: 10%

08:00in the morningfrom 08:00 to 08:59Light snow expected
Air temperature:
 -1 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 29 km/h
Relative humidity: 88%
Cloudiness: 100%
Atmospheric pressure: 977 hPa
Amount of precipitations: 0,2 mm
Visibility: 30%

09:00in the morningfrom 09:00 to 09:59Light snow expected
Air temperature:
 -1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 25 km/h
Relative humidity: 90%
Cloudiness: 100%
Atmospheric pressure: 977 hPa
Amount of precipitations: 0,2 mm
UV index: 0,3 (Low)
Visibility: 34%

10:00in the morningfrom 10:00 to 10:59The sky is overcast, no precipitation
Air temperature:
 +1 °CThe temperature will rise
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
southwest
Wind: gentle breeze, southwest, speed 14 km/h
Wind gusts: 29 km/h
Relative humidity: 86%
Cloudiness: 92%
Atmospheric pressure: 977 hPa
UV index: 1 (Low)
Visibility: 40%

11:00in the morningfrom 11:00 to 11:59Sometimes short-term rains
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: gentle breeze, southwest, speed 14 km/h
Wind gusts: 29 km/h
Relative humidity: 85%
Cloudiness: 100%
Atmospheric pressure: 977 hPa
Amount of precipitations: 0,1 mm
UV index: 1,4 (Low)
Visibility: 55%

12:00by dayfrom 12:00 to 12:59Sometimes short-term rains
Air temperature:
 +2 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
western
Wind: gentle breeze, western, speed 14 km/h
Wind gusts: 29 km/h
Relative humidity: 82%
Cloudiness: 100%
Atmospheric pressure: 979 hPa
Amount of precipitations: 0,1 mm
UV index: 1,7 (Low)
Visibility: 73%

13:00by dayfrom 13:00 to 13:59The sky is overcast, no precipitation
Air temperature:
 +3 °CThe temperature will rise
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
western
Wind: gentle breeze, western, speed 14 km/h
Wind gusts: 29 km/h
Relative humidity: 78%
Cloudiness: 100%
Atmospheric pressure: 979 hPa
UV index: 2,5 (Low)
Visibility: 54%

14:00by dayfrom 14:00 to 14:59The sky is overcast, no precipitation
Air temperature:
 +3 °CThe temperature will not change
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
western
Wind: light breeze, western, speed 11 km/h
Wind gusts: 29 km/h
Relative humidity: 77%
Cloudiness: 99%
Atmospheric pressure: 980 hPa
UV index: 2,8 (Low)
Visibility: 73%

15:00by dayfrom 15:00 to 15:59Cloudy sky, no precipitation
Air temperature:
 +4 °CThe temperature will rise
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
western
Wind: light breeze, western, speed 11 km/h
Wind gusts: 25 km/h
Relative humidity: 72%
Cloudiness: 92%
Atmospheric pressure: 980 hPa
UV index: 2,8 (Low)
Visibility: 100%

16:00by dayfrom 16:00 to 16:59The sky is overcast, no precipitation
Air temperature:
 +5 °CThe temperature will rise
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
northwest
Wind: light breeze, northwest, speed 11 km/h
Wind gusts: 25 km/h
Relative humidity: 68%
Cloudiness: 100%
Atmospheric pressure: 980 hPa
UV index: 1,9 (Low)
Visibility: 100%

17:00by dayfrom 17:00 to 17:59The sky is overcast, no precipitation
Air temperature:
 +4 °CThe temperature will not change
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
northwest
Wind: light breeze, northwest, speed 11 km/h
Wind gusts: 22 km/h
Relative humidity: 66%
Cloudiness: 100%
Atmospheric pressure: 981 hPa
UV index: 1 (Low)
Visibility: 100%

18:00in the eveningfrom 18:00 to 18:59The sky is overcast, no precipitation
Air temperature:
 +4 °CThe temperature will not change
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
northern
Wind: light breeze, northern, speed 7 km/h
Wind gusts: 18 km/h
Relative humidity: 69%
Cloudiness: 100%
Atmospheric pressure: 981 hPa
UV index: 0,3 (Low)
Visibility: 100%

19:00in the eveningfrom 19:00 to 19:59Sometimes short-term rains
Air temperature:
 +3 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northeast
Wind: light breeze, northeast, speed 7 km/h
Wind gusts: 22 km/h
Relative humidity: 73%
Cloudiness: 100%
Atmospheric pressure: 983 hPa
Amount of precipitations: 0,1 mm
Visibility: 100%

20:00in the eveningfrom 20:00 to 20:59Snow and rain expected
Air temperature:
 +3 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Snow and rain expected
northeast
Wind: light breeze, northeast, speed 7 km/h
Wind gusts: 22 km/h
Relative humidity: 77%
Cloudiness: 100%
Atmospheric pressure: 983 hPa
Amount of precipitations: 0,1 mm
Visibility: 77%

21:00in the eveningfrom 21:00 to 21:59The sky is overcast, no precipitation
Air temperature:
 +2 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
northeast
Wind: light breeze, northeast, speed 7 km/h
Wind gusts: 29 km/h
Relative humidity: 79%
Cloudiness: 100%
Atmospheric pressure: 983 hPa
Visibility: 100%

22:00in the eveningfrom 22:00 to 22:59The sky is overcast, no precipitation
Air temperature:
 +1 °CThe air temperature will go down
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
northeast
Wind: light breeze, northeast, speed 11 km/h
Wind gusts: 29 km/h
Relative humidity: 80%
Cloudiness: 100%
Atmospheric pressure: 983 hPa
Visibility: 100%

23:00in the eveningfrom 23:00 to 23:59The sky is overcast, no precipitation
Air temperature:
 +1 °CThe temperature will not change
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
eastern
Wind: light breeze, eastern, speed 11 km/h
Wind gusts: 29 km/h
Relative humidity: 82%
Cloudiness: 100%
Atmospheric pressure: 983 hPa
Visibility: 100%

Wednesday, March 19, 2025
The Sun:  Sunrise 07:29, Sunset 19:37.
The Moon:  Moonrise 00:36, Moonset 09:16, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Unstable
 UV index: 0,6 (Low)

00:00at nightfrom 00:00 to 00:59Snow and rain expected
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Snow and rain expected
eastern
Wind: light breeze, eastern, speed 11 km/h
Wind gusts: 29 km/h
Relative humidity: 85%
Cloudiness: 100%
Atmospheric pressure: 984 hPa
Amount of precipitations: 0,2 mm
Visibility: 92%

01:00at nightfrom 01:00 to 01:59Snow and rain expected
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Snow and rain expected
eastern
Wind: gentle breeze, eastern, speed 14 km/h
Wind gusts: 25 km/h
Relative humidity: 92%
Cloudiness: 100%
Atmospheric pressure: 984 hPa
Amount of precipitations: 0,5 mm
Visibility: 100%

02:00at nightfrom 02:00 to 02:59Snow and rain expected
Air temperature:
 0 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Snow and rain expected
northeast
Wind: gentle breeze, northeast, speed 18 km/h
Wind gusts: 32 km/h
Relative humidity: 96%
Cloudiness: 100%
Atmospheric pressure: 983 hPa
Amount of precipitations: 0,9 mm
Visibility: 100%

03:00at nightfrom 03:00 to 03:59Light snow expected
Air temperature:
 -1 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northeast
Wind: moderate breeze, northeast, speed 22 km/h
Wind gusts: 40 km/h
Relative humidity: 95%
Cloudiness: 100%
Atmospheric pressure: 981 hPa
Amount of precipitations: 0,4 mm
Visibility: 100%

04:00at nightfrom 04:00 to 04:59Light snow expected
Air temperature:
 0 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northeast
Wind: gentle breeze, northeast, speed 18 km/h
Wind gusts: 40 km/h
Relative humidity: 95%
Cloudiness: 100%
Atmospheric pressure: 981 hPa
Amount of precipitations: 0,2 mm
Visibility: 100%

05:00at nightfrom 05:00 to 05:59Light snow expected
Air temperature:
 0 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northeast
Wind: gentle breeze, northeast, speed 18 km/h
Wind gusts: 36 km/h
Relative humidity: 95%
Cloudiness: 100%
Atmospheric pressure: 980 hPa
Amount of precipitations: 0,6 mm
Visibility: 100%

06:00in the morningfrom 06:00 to 06:59Light snow expected
Air temperature:
 0 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northeast
Wind: gentle breeze, northeast, speed 18 km/h
Wind gusts: 36 km/h
Relative humidity: 95%
Cloudiness: 100%
Atmospheric pressure: 979 hPa
Amount of precipitations: 0,6 mm
Visibility: 100%

07:00in the morningfrom 07:00 to 07:59Snow and rain expected
Air temperature:
 +1 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Snow and rain expected
northeast
Wind: gentle breeze, northeast, speed 18 km/h
Wind gusts: 36 km/h
Relative humidity: 95%
Cloudiness: 100%
Atmospheric pressure: 977 hPa
Amount of precipitations: 0,4 mm
Visibility: 96%

08:00in the morningfrom 08:00 to 08:59Snow and rain expected
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Snow and rain expected
eastern
Wind: gentle breeze, eastern, speed 18 km/h
Wind gusts: 40 km/h
Relative humidity: 94%
Cloudiness: 100%
Atmospheric pressure: 977 hPa
Amount of precipitations: 0,1 mm
Visibility: 100%

09:00in the morningfrom 09:00 to 09:59Snow and rain expected
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Snow and rain expected
eastern
Wind: gentle breeze, eastern, speed 18 km/h
Wind gusts: 40 km/h
Relative humidity: 95%
Cloudiness: 100%
Atmospheric pressure: 976 hPa
Amount of precipitations: 0,1 mm
Visibility: 83%

10:00in the morningfrom 10:00 to 10:59Snow and rain expected
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Snow and rain expected
eastern
Wind: gentle breeze, eastern, speed 14 km/h
Wind gusts: 36 km/h
Relative humidity: 96%
Cloudiness: 100%
Atmospheric pressure: 976 hPa
Amount of precipitations: 0,2 mm
UV index: 0,1 (Low)
Visibility: 68%

11:00in the morningfrom 11:00 to 11:59Sometimes short-term rains
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: gentle breeze, eastern, speed 14 km/h
Wind gusts: 32 km/h
Relative humidity: 96%
Cloudiness: 100%
Atmospheric pressure: 975 hPa
Amount of precipitations: 0,7 mm
UV index: 0,2 (Low)
Visibility: 12%

12:00by dayfrom 12:00 to 12:59Sometimes short-term rains
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: light breeze, eastern, speed 11 km/h
Wind gusts: 29 km/h
Relative humidity: 97%
Cloudiness: 100%
Atmospheric pressure: 973 hPa
Amount of precipitations: 0,3 mm
UV index: 0,3 (Low)
Visibility: 2%

13:00by dayfrom 13:00 to 13:59Sometimes short-term rains
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: light breeze, eastern, speed 11 km/h
Wind gusts: 22 km/h
Relative humidity: 98%
Cloudiness: 100%
Atmospheric pressure: 973 hPa
Amount of precipitations: 0,2 mm
UV index: 0,4 (Low)
Visibility: 2%

14:00by dayfrom 14:00 to 14:59Sometimes short-term rains
Air temperature:
 +1 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 22 km/h
Relative humidity: 98%
Cloudiness: 100%
Atmospheric pressure: 972 hPa
Amount of precipitations: 0,1 mm
UV index: 0,5 (Low)
Visibility: 2%

15:00by dayfrom 15:00 to 15:59Sometimes short-term rains
Air temperature:
 +2 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 22 km/h
Relative humidity: 98%
Cloudiness: 100%
Atmospheric pressure: 971 hPa
Amount of precipitations: 0,1 mm
UV index: 0,5 (Low)
Visibility: 2%

16:00by dayfrom 16:00 to 16:59Sometimes short-term rains
Air temperature:
 +2 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 14 km/h
Relative humidity: 98%
Cloudiness: 100%
Atmospheric pressure: 971 hPa
Amount of precipitations: 0,1 mm
UV index: 0,6 (Low)
Visibility: 2%

17:00by dayfrom 17:00 to 17:59Sometimes short-term rains
Air temperature:
 +3 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 18 km/h
Relative humidity: 98%
Cloudiness: 100%
Atmospheric pressure: 969 hPa
Amount of precipitations: 0,1 mm
UV index: 0,3 (Low)
Visibility: 2%

18:00in the eveningfrom 18:00 to 18:59Sometimes short-term rains
Air temperature:
 +3 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northeast
Wind: light breeze, northeast, speed 7 km/h
Wind gusts: 22 km/h
Relative humidity: 99%
Cloudiness: 100%
Atmospheric pressure: 969 hPa
Amount of precipitations: 0,1 mm
UV index: 0,1 (Low)
Visibility: 2%

19:00in the eveningfrom 19:00 to 19:59The sky is overcast, no precipitation
Air temperature:
 +3 °CThe temperature will not change
Weather patterns and meteorological conditions:
The sky is overcast, no precipitation
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 18 km/h
Relative humidity: 99%
Cloudiness: 100%
Atmospheric pressure: 968 hPa
Visibility: 2%

20:00in the eveningfrom 20:00 to 20:59Sometimes short-term rains
Air temperature:
 +4 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: light breeze, eastern, speed 7 km/h
Wind gusts: 32 km/h
Relative humidity: 98%
Cloudiness: 100%
Atmospheric pressure: 968 hPa
Amount of precipitations: 2,7 mm
Visibility: 31%

21:00in the eveningfrom 21:00 to 21:59Sometimes short-term rains
Air temperature:
 +5 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: gentle breeze, eastern, speed 14 km/h
Wind gusts: 54 km/h
Relative humidity: 98%
Cloudiness: 100%
Atmospheric pressure: 967 hPa
Amount of precipitations: 1,2 mm
Visibility: 44%

22:00in the eveningfrom 22:00 to 22:59Sometimes short-term rains
Air temperature:
 +6 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southeast
Wind: moderate breeze, southeast, speed 22 km/h
Wind gusts: 61 km/h
Relative humidity: 96%
Cloudiness: 100%
Atmospheric pressure: 965 hPa
Amount of precipitations: 0,1 mm
Visibility: 36%

23:00in the eveningfrom 23:00 to 23:59Sometimes short-term rains
Air temperature:
 +6 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southeast
Wind: moderate breeze, southeast, speed 22 km/h
Wind gusts: 65 km/h
Relative humidity: 96%
Cloudiness: 100%
Atmospheric pressure: 964 hPa
Amount of precipitations: 0,6 mm
Visibility: 73%

Thursday, March 20, 2025
The Sun:  Sunrise 07:27, Sunset 19:38.
The Moon:  Moonrise 01:44, Moonset 09:47, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Unstable
 UV index: 2,3 (Low)

00:00at nightfrom 00:00 to 00:59Rain expected
Air temperature:
 +6 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
southeast
Wind: moderate breeze, southeast, speed 22 km/h
Wind gusts: 65 km/h
Relative humidity: 97%
Cloudiness: 100%
Atmospheric pressure: 963 hPa
Amount of precipitations: 2,5 mm
Visibility: 24%

01:00at nightfrom 01:00 to 01:59Sometimes short-term rains
Air temperature:
 +6 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: moderate breeze, southern, speed 22 km/h
Wind gusts: 61 km/h
Relative humidity: 98%
Cloudiness: 100%
Atmospheric pressure: 961 hPa
Amount of precipitations: 0,9 mm
Visibility: 42%

02:00at nightfrom 02:00 to 02:59Sometimes short-term rains
Air temperature:
 +6 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: gentle breeze, southern, speed 18 km/h
Wind gusts: 50 km/h
Relative humidity: 100%
Cloudiness: 100%
Atmospheric pressure: 961 hPa
Amount of precipitations: 0,5 mm
Visibility: 40%

03:00at nightfrom 03:00 to 03:59Sometimes short-term rains
Air temperature:
 +6 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: moderate breeze, southern, speed 22 km/h
Wind gusts: 61 km/h
Relative humidity: 99%
Cloudiness: 98%
Atmospheric pressure: 960 hPa
Amount of precipitations: 0,5 mm
Visibility: 20%

04:00at nightfrom 04:00 to 04:59Sometimes short-term rains
Air temperature:
 +6 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: gentle breeze, southern, speed 18 km/h
Wind gusts: 54 km/h
Relative humidity: 99%
Cloudiness: 97%
Atmospheric pressure: 960 hPa
Amount of precipitations: 0,7 mm
Visibility: 16%

05:00at nightfrom 05:00 to 05:59Sometimes short-term rains
Air temperature:
 +6 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: gentle breeze, southern, speed 18 km/h
Wind gusts: 58 km/h
Relative humidity: 99%
Cloudiness: 96%
Atmospheric pressure: 960 hPa
Amount of precipitations: 0,3 mm
Visibility: 28%

06:00in the morningfrom 06:00 to 06:59Sometimes short-term rains
Air temperature:
 +5 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 47 km/h
Relative humidity: 98%
Cloudiness: 98%
Atmospheric pressure: 959 hPa
Amount of precipitations: 0,3 mm
Visibility: 48%

07:00in the morningfrom 07:00 to 07:59Sometimes short-term rains
Air temperature:
 +5 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 47 km/h
Relative humidity: 98%
Cloudiness: 100%
Atmospheric pressure: 959 hPa
Amount of precipitations: 0,1 mm
Visibility: 38%

08:00in the morningfrom 08:00 to 08:59Sometimes short-term rains
Air temperature:
 +5 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 47 km/h
Relative humidity: 97%
Cloudiness: 96%
Atmospheric pressure: 959 hPa
Amount of precipitations: 0,2 mm
Visibility: 31%

09:00in the morningfrom 09:00 to 09:59Sometimes short-term rains
Air temperature:
 +4 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 40 km/h
Relative humidity: 97%
Cloudiness: 98%
Atmospheric pressure: 959 hPa
Amount of precipitations: 0,4 mm
Visibility: 10%

10:00in the morningfrom 10:00 to 10:59Rain expected
Air temperature:
 +3 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
southern
Wind: light breeze, southern, speed 11 km/h
Wind gusts: 29 km/h
Relative humidity: 95%
Cloudiness: 100%
Atmospheric pressure: 959 hPa
Amount of precipitations: 0,6 mm
UV index: 0,3 (Low)
Visibility: 20%

11:00in the morningfrom 11:00 to 11:59Snow and rain expected
Air temperature:
 +2 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Snow and rain expected
southern
Wind: gentle breeze, southern, speed 14 km/h
Wind gusts: 29 km/h
Relative humidity: 94%
Cloudiness: 100%
Atmospheric pressure: 959 hPa
Amount of precipitations: 0,4 mm
UV index: 0,8 (Low)
Visibility: 2%

12:00by dayfrom 12:00 to 12:59Snow expected
Air temperature:
 0 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Snow expected
northwest
Wind: gentle breeze, northwest, speed 18 km/h
Wind gusts: 36 km/h
Relative humidity: 93%
Cloudiness: 100%
Atmospheric pressure: 960 hPa
Amount of precipitations: 0,8 mm
UV index: 1,6 (Low)
Visibility: 2%

13:00by dayfrom 13:00 to 13:59Snow expected
Air temperature:
 -1 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Snow expected
northern
Wind: moderate breeze, northern, speed 22 km/h
Wind gusts: 47 km/h
Relative humidity: 88%
Cloudiness: 100%
Atmospheric pressure: 961 hPa
Amount of precipitations: 1 mm
UV index: 2,1 (Low)
Visibility: 2%

14:00by dayfrom 14:00 to 14:59Snow expected
Air temperature:
 -2 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Snow expected
northern
Wind: moderate breeze, northern, speed 25 km/h
Wind gusts: 47 km/h
Relative humidity: 86%
Cloudiness: 100%
Atmospheric pressure: 963 hPa
Amount of precipitations: 1,5 mm
UV index: 2,3 (Low)
Visibility: 2%

15:00by dayfrom 15:00 to 15:59Light snow expected
Air temperature:
 -2 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northern
Wind: moderate breeze, northern, speed 25 km/h
Wind gusts: 47 km/h
Relative humidity: 83%
Cloudiness: 100%
Atmospheric pressure: 964 hPa
Amount of precipitations: 0,7 mm
UV index: 1,9 (Low)
Visibility: 14%

16:00by dayfrom 16:00 to 16:59Light snow expected
Air temperature:
 -2 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northern
Wind: moderate breeze, northern, speed 22 km/h
Wind gusts: 47 km/h
Relative humidity: 80%
Cloudiness: 100%
Atmospheric pressure: 965 hPa
Amount of precipitations: 0,1 mm
UV index: 1,3 (Low)
Visibility: 98%

17:00by dayfrom 17:00 to 17:59Light snow expected
Air temperature:
 -3 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northern
Wind: moderate breeze, northern, speed 22 km/h
Wind gusts: 47 km/h
Relative humidity: 79%
Cloudiness: 100%
Atmospheric pressure: 967 hPa
Amount of precipitations: 0,6 mm
UV index: 0,8 (Low)
Visibility: 92%

18:00in the eveningfrom 18:00 to 18:59Light snow expected
Air temperature:
 -3 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northern
Wind: moderate breeze, northern, speed 22 km/h
Wind gusts: 47 km/h
Relative humidity: 80%
Cloudiness: 100%
Atmospheric pressure: 968 hPa
Amount of precipitations: 0,2 mm
UV index: 0,3 (Low)
Visibility: 100%

19:00in the eveningfrom 19:00 to 19:59Light snow expected
Air temperature:
 -4 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 50 km/h
Relative humidity: 80%
Cloudiness: 99%
Atmospheric pressure: 971 hPa
Visibility: 100%

20:00in the eveningfrom 20:00 to 20:59Light snow expected
Air temperature:
 -5 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 50 km/h
Relative humidity: 81%
Cloudiness: 98%
Atmospheric pressure: 972 hPa
Amount of precipitations: 0,1 mm
Visibility: 100%

21:00in the eveningfrom 21:00 to 21:59Light cloud cover in the sky, no precipitation
Air temperature:
 -5 °CThe temperature will not change
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
northwest
Wind: moderate breeze, northwest, speed 22 km/h
Wind gusts: 47 km/h
Relative humidity: 79%
Cloudiness: 69%
Atmospheric pressure: 973 hPa
Visibility: 100%

22:00in the eveningfrom 22:00 to 22:59Light cloud cover in the sky, no precipitation
Air temperature:
 -5 °CThe temperature will not change
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
northwest
Wind: moderate breeze, northwest, speed 22 km/h
Wind gusts: 47 km/h
Relative humidity: 77%
Cloudiness: 41%
Atmospheric pressure: 975 hPa
Visibility: 100%

23:00in the eveningfrom 23:00 to 23:59Light cloud cover in the sky, no precipitation
Air temperature:
 -6 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
northwest
Wind: gentle breeze, northwest, speed 18 km/h
Wind gusts: 43 km/h
Relative humidity: 75%
Cloudiness: 12%
Atmospheric pressure: 976 hPa
Visibility: 100%

Friday, March 21, 2025
The Sun:  Sunrise 07:25, Sunset 19:40.
The Moon:  Moonrise 02:49, Moonset 10:27, Moon phase: waning gibbous waning gibbous
 Geomagnetic Field: Unstable
 UV index: 0,1 (Low)

00:00at nightfrom 00:00 to 00:59Clear skies, no precipitation
Air temperature:
 -6 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: gentle breeze, northwest, speed 14 km/h
Wind gusts: 36 km/h
Relative humidity: 75%
Cloudiness: 8%
Atmospheric pressure: 977 hPa
Visibility: 100%

01:00at nightfrom 01:00 to 01:59Clear skies, no precipitation
Air temperature:
 -7 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: gentle breeze, northwest, speed 14 km/h
Wind gusts: 32 km/h
Relative humidity: 76%
Cloudiness: 4%
Atmospheric pressure: 977 hPa
Visibility: 100%

02:00at nightfrom 02:00 to 02:59Clear skies, no precipitation
Air temperature:
 -7 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: light breeze, northwest, speed 11 km/h
Wind gusts: 25 km/h
Relative humidity: 76%
Cloudiness: 0%
Atmospheric pressure: 979 hPa
Visibility: 100%

03:00at nightfrom 03:00 to 03:59Clear skies, no precipitation
Air temperature:
 -8 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: light breeze, northwest, speed 11 km/h
Wind gusts: 25 km/h
Relative humidity: 77%
Cloudiness: 0%
Atmospheric pressure: 979 hPa
Visibility: 100%

04:00at nightfrom 04:00 to 04:59Clear skies, no precipitation
Air temperature:
 -8 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: light breeze, northwest, speed 7 km/h
Wind gusts: 18 km/h
Relative humidity: 78%
Cloudiness: 0%
Atmospheric pressure: 980 hPa
Visibility: 100%

05:00at nightfrom 05:00 to 05:59Clear skies, no precipitation
Air temperature:
 -9 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: light breeze, western, speed 7 km/h
Wind gusts: 14 km/h
Relative humidity: 79%
Cloudiness: 0%
Atmospheric pressure: 980 hPa
Visibility: 100%

06:00in the morningfrom 06:00 to 06:59Clear skies, no precipitation
Air temperature:
 -9 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: light breeze, western, speed 7 km/h
Wind gusts: 14 km/h
Relative humidity: 80%
Cloudiness: 0%
Atmospheric pressure: 981 hPa
Visibility: 100%

07:00in the morningfrom 07:00 to 07:59Clear skies, no precipitation
Air temperature:
 -9 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: light breeze, western, speed 7 km/h
Wind gusts: 18 km/h
Relative humidity: 80%
Cloudiness: 0%
Atmospheric pressure: 981 hPa
Visibility: 100%

08:00in the morningfrom 08:00 to 08:59Clear skies, no precipitation
Air temperature:
 -8 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: light breeze, western, speed 7 km/h
Wind gusts: 22 km/h
Relative humidity: 81%
Cloudiness: 0%
Atmospheric pressure: 983 hPa
UV index: 0,1 (Low)
Visibility: 100%

09:00in the morningfrom 09:00 to 09:59Clear skies, no precipitation
Air temperature:
 -6 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: light breeze, western, speed 11 km/h
Wind gusts: 25 km/h
Relative humidity: 69%
Cloudiness: 0%
Atmospheric pressure: 983 hPa
Visibility: 100%

10:00in the morningfrom 10:00 to 10:59Clear skies, no precipitation
Air temperature:
 -3 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
southwest
Wind: gentle breeze, southwest, speed 14 km/h
Wind gusts: 29 km/h
Relative humidity: 58%
Cloudiness: 0%
Atmospheric pressure: 983 hPa
Visibility: 100%

Temperature trend on the chart

DateTemperature,°C1-4-251-1011236653-2-3-5-7-9-3-4-2-6-8-9-7-7-3212-2-7-5-4-2012232320-9-8-12-13-12-13-12-13-8Temperature,°CApparent temperature17.3 13:0017.3 14:0017.3 15:0017.3 16:0017.3 17:0017.3 18:0017.3 19:0017.3 20:0017.3 21:0017.3 22:0017.3 23:0018.3 00:0018.3 01:0018.3 02:0018.3 03:0018.3 04:0018.3 05:0018.3 06:0018.3 07:0018.3 08:0018.3 09:0018.3 10:0018.3 11:0018.3 12:0018.3 13:0018.3 14:0018.3 15:0018.3 16:0018.3 17:0018.3 18:0018.3 19:0018.3 20:0018.3 21:0018.3 22:0018.3 23:0019.3 00:0019.3 01:0019.3 02:0019.3 03:0019.3 04:0019.3 05:0019.3 06:0019.3 07:0019.3 08:0019.3 09:0019.3 10:0019.3 11:0019.3 12:0019.3 13:0019.3 14:0019.3 15:0019.3 16:0019.3 17:0019.3 18:0019.3 19:0019.3 20:0019.3 21:0019.3 22:0019.3 23:0020.3 00:0020.3 01:0020.3 02:0020.3 03:0020.3 04:0020.3 05:0020.3 06:0020.3 07:0020.3 08:0020.3 09:0020.3 10:0020.3 11:0020.3 12:0020.3 13:0020.3 14:0020.3 15:0020.3 16:0020.3 17:0020.3 18:0020.3 19:0020.3 20:0020.3 21:0020.3 22:0020.3 23:0021.3 00:0021.3 01:0021.3 02:0021.3 03:0021.3 04:0021.3 05:0021.3 06:0021.3 07:0021.3 08:0021.3 09:0021.3 10:00-15-10-50510

weather in nearby cities

Clear skies, no precipitation Rayside-Balfour  +1 °C 
Clear skies, no precipitation Azilda  0 °C 
Light cloud cover in the sky, no precipitation Dowling  +1 °C 
Light cloud cover in the sky, no precipitation Onaping Falls  +1 °C 
Clear skies, no precipitation Lively  +1 °C 
Clear skies, no precipitation Valley East  0 °C 
Clear skies, no precipitation Greater Sudbury  0 °C 
Clear skies, no precipitation Capreol  0 °C 
Clear skies, no precipitation Walden  +1 °C 
Light cloud cover in the sky, no precipitation Cartier  +1 °C 
Clear skies, no precipitation Boland's Bay  0 °C 
Clear skies, no precipitation Wanup  +1 °C 
Cloudy sky, no precipitation Benny  +1 °C 
Clear skies, no precipitation Burwash  +1 °C 
Clear skies, no precipitation Markstay-Warren  +1 °C 
Cloudy sky, no precipitation Espanola  -1 °C 
Clear skies, no precipitation St.-Charles  +2 °C 
Light cloud cover in the sky, no precipitation Killarney  -3 °C 
Clear skies, no precipitation French River  +2 °C 
Cloudy sky, no precipitation Ruel  +1 °C 
Cloudy sky, no precipitation Little Current  -2 °C 
Clear skies, no precipitation Pakesley  +1 °C 
Clear skies, no precipitation Bear Island  -1 °C 
Clear skies, no precipitation Cache Bay  +1 °C 
Light cloud cover in the sky, no precipitation Spanish  -2 °C 
Clear skies, no precipitation Dokis  +1 °C 
Light cloud cover in the sky, no precipitation Wikwemikonsing  -2 °C 
Cloudy sky, no precipitation Biscotasing  +1 °C 
Light cloud cover in the sky, no precipitation Elliot Lake  -1 °C 
Cloudy sky, no precipitation Billings  -2 °C 
Clear skies, no precipitation Temagami  0 °C 
Light cloud cover in the sky, no precipitation Tehkummah  -2 °C 
Cloudy sky, no precipitation Gore Bay  -2 °C 
Clear skies, no precipitation Redwater  0 °C 
The sky is overcast, no precipitation Gogama  0 °C 
Clear skies, no precipitation Latchford  0 °C 
Clear skies, no precipitation North Bay  -1 °C 
Clear skies, no precipitation Whitestone  +1 °C 
Light cloud cover in the sky, no precipitation Burpee  -3 °C 
The sky is overcast, no precipitation Jerome  -1 °C 
Clear skies, no precipitation Nipissing  -1 °C 
Cloudy sky, no precipitation Blind River  -2 °C 
Clear skies, no precipitation Callander  -1 °C 
Clear skies, no precipitation Cobalt  0 °C 
Light cloud cover in the sky, no precipitation Hudson  0 °C 
Light cloud cover in the sky, no precipitation Kenabeek  0 °C 
Light cloud cover in the sky, no precipitation Temiskaming Shores  0 °C 
Clear skies, no precipitation Powassan  0 °C 

Additional data

 
Country:Canada
Telephone country code:+1
Location:Ontario
District:Sudbury
The name of the city or village:Chelmsford
Time zone:America/Toronto, GMT -4. Summertime (plus one hour)
Coordinates:Latitude: 46.5834; Longitude: -81.1998;
Aliases (In other languages):English: ChelmsfordРусский: ШльнсфорУкраїнська: Шльнсфор
The project was created and is maintained by FDSTAR company, 2025

Detailed hourly weather forecast in Chelmsford

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On land:
There is a light continuous stream of wind that is felt by the face; leaves rustle; ordinary vanes moved by wind.
At Sea:
Weak and short waves in the sea, still short, but more pronounced. Crests have a glassy appearance and do not break.
Protection from UV radiation from the Sun is necessary. A UV index reading of 3 to 5 means moderate risk of harm from unprotected sun exposure. Stay in shade near midday when the sun is strongest. If outdoors, wear sun protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Bright surfaces, such as sand, water, and snow, will increase UV exposure.
Protection from UV radiation from the Sun is not necessary. A UV index reading of 0 to 2 means low danger from the sun's UV rays for the average person. Wear sunglasses on bright days. If you burn easily, cover up and use broad spectrum SPF 30+ sunscreen. Bright surfaces, such as sand, water, and snow, will increase UV exposure.
On land:
The thin branches and leaves on the trees fluctuate continuously; wind extends light flag.
At Sea:
Light and short waves are clearly visible at sea. Foam of glassy appearance. Perhaps scattered white horses.
On land:
The wind picks up dust and small pieces of paper; small branches are moved.
At Sea:
The sea is moderately rough. Waves appear in the form of elongated ridges, some of which are overturned; fairly frequent white horses.