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Weather in Port Jefferson tomorrow

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Local time.
Time zone: GMT -5
winter time
* weather indicated in local time
Friday, February 21, 2025
The Sun:  Sunrise 06:38, Sunset 17:34.
The Moon:  Moonrise 01:57, Moonset 10:43, Moon phase: in its last quarter in its last quarter
 Geomagnetic Field: Quiet
 Water temperature in the sea: +2 °C
 UV index: 2,7 (Low)

00:00at nightfrom 00:00 to 00:59Light snow expected
Air temperature:
 -5 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Light snow expected
northwest
Wind:  fresh breezefresh breeze, northwest, speed 29 km/h
Wind gusts: 47 km/h
Relative humidity: 78%
Cloudiness: 96%
Atmospheric pressure: 1013 hPa
Waves in the sea: moderate, wave height of 2 m
Amount of precipitations: 0,1 mm
Visibility: 35%

01:00at nightfrom 01:00 to 01:59Cloudy sky, no precipitation
Air temperature:
 -5 °CThe temperature will not change
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 32 km/h
Wind gusts: 47 km/h
Relative humidity: 72%
Cloudiness: 92%
Atmospheric pressure: 1015 hPa
Waves in the sea: moderate, wave height of 2 m
Visibility: 68%

02:00at nightfrom 02:00 to 02:59Cloudy sky, no precipitation
Air temperature:
 -6 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 32 km/h
Wind gusts: 47 km/h
Relative humidity: 67%
Cloudiness: 64%
Atmospheric pressure: 1015 hPa
Waves in the sea: moderate, wave height of 2 m
Visibility: 100%

03:00at nightfrom 03:00 to 03:59Cloudy sky, no precipitation
Air temperature:
 -6 °CThe temperature will not change
Weather patterns and meteorological conditions:
Cloudy sky, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 32 km/h
Wind gusts: 50 km/h
Relative humidity: 67%
Cloudiness: 62%
Atmospheric pressure: 1015 hPa
Waves in the sea: moderate, wave height of 2 m
Visibility: 100%

04:00at nightfrom 04:00 to 04:59Light cloud cover in the sky, no precipitation
Air temperature:
 -5 °CThe temperature will rise
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 32 km/h
Wind gusts: 50 km/h
Relative humidity: 67%
Cloudiness: 15%
Atmospheric pressure: 1016 hPa
Waves in the sea: moderate, wave height of 2 m
Visibility: 100%

05:00at nightfrom 05:00 to 05:59Clear skies, no precipitation
Air temperature:
 -5 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 29 km/h
Wind gusts: 50 km/h
Relative humidity: 67%
Cloudiness: 51%
Atmospheric pressure: 1017 hPa
Waves in the sea: moderate, wave height of 2 m
Visibility: 100%

06:00in the morningfrom 06:00 to 06:59Clear skies, no precipitation
Air temperature:
 -5 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 29 km/h
Wind gusts: 50 km/h
Relative humidity: 68%
Cloudiness: 22%
Atmospheric pressure: 1017 hPa
Waves in the sea: moderate, wave height of 2 m
Visibility: 100%

07:00in the morningfrom 07:00 to 07:59Clear skies, no precipitation
Air temperature:
 -5 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 29 km/h
Wind gusts: 47 km/h
Relative humidity: 68%
Cloudiness: 7%
Atmospheric pressure: 1019 hPa
Waves in the sea: moderate, wave height of 2 m
UV index: 0,1 (Low)
Visibility: 100%

08:00in the morningfrom 08:00 to 08:59Clear skies, no precipitation
Air temperature:
 -5 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 47 km/h
Relative humidity: 65%
Cloudiness: 7%
Atmospheric pressure: 1020 hPa
Waves in the sea: slight, wave height of 1 m
UV index: 0,5 (Low)
Visibility: 100%

09:00in the morningfrom 09:00 to 09:59Light 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:  fresh breezefresh breeze, northwest, speed 29 km/h
Wind gusts: 43 km/h
Relative humidity: 61%
Cloudiness: 12%
Atmospheric pressure: 1020 hPa
Waves in the sea: moderate, wave height of 2 m
UV index: 1,1 (Low)
Visibility: 100%

10:00in the morningfrom 10:00 to 10:59Light cloud cover in the sky, no precipitation
Air temperature:
 -4 °CThe temperature will rise
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 29 km/h
Wind gusts: 43 km/h
Relative humidity: 57%
Cloudiness: 14%
Atmospheric pressure: 1020 hPa
Waves in the sea: moderate, wave height of 2 m
UV index: 1,9 (Low)
Visibility: 100%

11:00in the morningfrom 11:00 to 11:59Clear skies, no precipitation
Air temperature:
 -3 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 29 km/h
Wind gusts: 43 km/h
Relative humidity: 53%
Cloudiness: 5%
Atmospheric pressure: 1021 hPa
Waves in the sea: moderate, wave height of 2 m
UV index: 2,5 (Low)
Visibility: 100%

12:00by dayfrom 12:00 to 12:59Clear skies, no precipitation
Air temperature:
 -2 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 29 km/h
Wind gusts: 43 km/h
Relative humidity: 50%
Cloudiness: 4%
Atmospheric pressure: 1020 hPa
Waves in the sea: moderate, wave height of 2 m
UV index: 2,7 (Low)
Visibility: 100%

13:00by dayfrom 13:00 to 13:59Clear skies, no precipitation
Air temperature:
 -1 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind:  fresh breezefresh breeze, northwest, speed 29 km/h
Wind gusts: 43 km/h
Relative humidity: 48%
Cloudiness: 15%
Atmospheric pressure: 1020 hPa
Waves in the sea: moderate, wave height of 2 m
UV index: 2,5 (Low)
Visibility: 100%

14:00by dayfrom 14:00 to 14:59Clear skies, no precipitation
Air temperature:
 -1 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 43 km/h
Relative humidity: 46%
Cloudiness: 38%
Atmospheric pressure: 1020 hPa
Waves in the sea: slight, wave height of 1 m
UV index: 1,7 (Low)
Visibility: 100%

15:00by dayfrom 15:00 to 15:59Clear skies, no precipitation
Air temperature:
 +1 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 43 km/h
Relative humidity: 45%
Cloudiness: 40%
Atmospheric pressure: 1020 hPa
Waves in the sea: slight, wave height of 1 m
UV index: 0,9 (Low)
Visibility: 100%

16:00by dayfrom 16:00 to 16:59Clear skies, no precipitation
Air temperature:
 +1 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 43 km/h
Relative humidity: 46%
Cloudiness: 32%
Atmospheric pressure: 1021 hPa
Waves in the sea: slight, wave height of 1 m
UV index: 0,3 (Low)
Visibility: 100%

17:00by dayfrom 17:00 to 17:59Clear skies, no precipitation
Air temperature:
 0 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 40 km/h
Relative humidity: 50%
Cloudiness: 30%
Atmospheric pressure: 1021 hPa
Waves in the sea: slight, wave height of 1 m
Visibility: 100%

18:00in the eveningfrom 18:00 to 18:59Clear skies, no precipitation
Air temperature:
 -1 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 40 km/h
Relative humidity: 55%
Cloudiness: 21%
Atmospheric pressure: 1023 hPa
Waves in the sea: slight, wave height of 1 m
Visibility: 100%

19:00in the eveningfrom 19:00 to 19:59Clear skies, no precipitation
Air temperature:
 -2 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 40 km/h
Relative humidity: 59%
Cloudiness: 21%
Atmospheric pressure: 1024 hPa
Waves in the sea: slight, wave height of 1 m
Visibility: 100%

20:00in the eveningfrom 20:00 to 20:59Clear skies, no precipitation
Air temperature:
 -2 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 40 km/h
Relative humidity: 62%
Cloudiness: 8%
Atmospheric pressure: 1025 hPa
Waves in the sea: slight, wave height of 1 m
Visibility: 100%

21:00in the eveningfrom 21:00 to 21:59Clear skies, no precipitation
Air temperature:
 -3 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 25 km/h
Wind gusts: 36 km/h
Relative humidity: 64%
Cloudiness: 9%
Atmospheric pressure: 1025 hPa
Waves in the sea: slight, wave height of 1 m
Visibility: 100%

22:00in the eveningfrom 22:00 to 22:59Clear skies, no precipitation
Air temperature:
 -4 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 22 km/h
Wind gusts: 36 km/h
Relative humidity: 66%
Cloudiness: 9%
Atmospheric pressure: 1027 hPa
Waves in the sea: slight, wave height of 1 m
Visibility: 100%

23:00in the eveningfrom 23:00 to 23:59Clear skies, no precipitation
Air temperature:
 -4 °CThe temperature will not change
Weather patterns and meteorological conditions:
Clear skies, no precipitation
northwest
Wind: moderate breeze, northwest, speed 22 km/h
Wind gusts: 36 km/h
Relative humidity: 67%
Cloudiness: 9%
Atmospheric pressure: 1027 hPa
Waves in the sea: slight, wave height of 1 m
Visibility: 100%

Temperature trend on the chart

DateTemperature,°C-6-5-11-4-15-13-12-13-8-5-11Temperature,°CApparent temperature21.2 00:0021.2 01:0021.2 02:0021.2 03:0021.2 04:0021.2 05:0021.2 06:0021.2 07:0021.2 08:0021.2 09:0021.2 10:0021.2 11:0021.2 12:0021.2 13:0021.2 14:0021.2 15:0021.2 16:0021.2 17:0021.2 18:0021.2 19:0021.2 20:0021.2 21:0021.2 22:0021.2 23:00-15-10-50-205

weather in nearby cities

The sky is overcast, no precipitation Poquott  -4 °C 
The sky is overcast, no precipitation Belle Terre  -4 °C 
The sky is overcast, no precipitation Port Jefferson Station  -5 °C 
The sky is overcast, no precipitation East Setauket  -4 °C 
The sky is overcast, no precipitation Setauket-East Setauket  -4 °C 
The sky is overcast, no precipitation Mount Sinai  -5 °C 
The sky is overcast, no precipitation Terryville  -5 °C 
The sky is overcast, no precipitation Old Field  -4 °C 
The sky is overcast, no precipitation Miller Place  -4 °C 
The sky is overcast, no precipitation Stony Brook  -4 °C 
The sky is overcast, no precipitation Sound Beach  -4 °C 
The sky is overcast, no precipitation Head of the Harbor  -4 °C 
Cloudy sky, no precipitation Selden  -5 °C 
Cloudy sky, no precipitation Centereach  -5 °C 
Cloudy sky, no precipitation Coram  -5 °C 
The sky is overcast, no precipitation Saint James  -5 °C 
Cloudy sky, no precipitation Lake Grove  -5 °C 
The sky is overcast, no precipitation Nissequogue  -4 °C 
The sky is overcast, no precipitation Rocky Point  -5 °C 
The sky is overcast, no precipitation Nesconset  -5 °C 
Cloudy sky, no precipitation Gordon Heights  -5 °C 
The sky is overcast, no precipitation Long Island  -5 °C 
The sky is overcast, no precipitation Long Island  -5 °C 
Cloudy sky, no precipitation Farmingville  -4 °C 
Cloudy sky, no precipitation Lake Ronkonkoma  -5 °C 
The sky is overcast, no precipitation Shoreham  -4 °C 
The sky is overcast, no precipitation Village of the Branch  -4 °C 
Cloudy sky, no precipitation Holtsville  -4 °C 
Cloudy sky, no precipitation Holbrook  -4 °C 
The sky is overcast, no precipitation Smithtown  -4 °C 
Cloudy sky, no precipitation Ronkonkoma  -4 °C 
Cloudy sky, no precipitation Medford  -4 °C 
The sky is overcast, no precipitation Ridge  -5 °C 
The sky is overcast, no precipitation East Shoreham  -5 °C 
The sky is overcast, no precipitation Kings Park  -4 °C 
Cloudy sky, no precipitation Hauppauge  -4 °C 
Cloudy sky, no precipitation Yaphank  -4 °C 
Cloudy sky, no precipitation Islandia  -4 °C 
Cloudy sky, no precipitation North Patchogue  -4 °C 
The sky is overcast, no precipitation Fort Salonga  -4 °C 
Cloudy sky, no precipitation Bohemia  -4 °C 
Cloudy sky, no precipitation Central Islip  -4 °C 
Cloudy sky, no precipitation Patchogue  -4 °C 
The sky is overcast, no precipitation Wading River  -5 °C 
Cloudy sky, no precipitation East Patchogue  -4 °C 
Cloudy sky, no precipitation North Bellport  -4 °C 
The sky is overcast, no precipitation Commack  -4 °C 
Cloudy sky, no precipitation Sayville Heights  -4 °C 

Additional data

 

Please note that for US citizens we have a fully localized forecast: Detailed and Extended Hourly Weather Forecast in Port Jefferson, New York State
Country:USA
Telephone country code:+1
Location:New York State
District:Suffolk County
The name of the city or village:Port Jefferson
Time zone:America/New_York, GMT -5. winter time
Coordinates:Latitude: 40.9465; Longitude: -73.0693;
Aliases (In other languages):English: Port JeffersonРусский: Порт ДжефферсонУкраїнська: Порт Джефферсон
The project was created and is maintained by FDSTAR company, 2025

Weather in Port Jefferson tomorrow

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On land:
Thin branches and tree trunks sway, and the wind is felt by the hand.
At Sea:
The sea is rough, not very large waves are well developed in length; many white horses are formed.
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 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.