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USAUSAState of ColoradoBoulder

Weather in Boulder for a week

Current time in Boulder:

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Local time.
Time zone: GMT -6
Summertime (plus one hour)
* weather indicated in local time
Monday, May 5, 2025
The Sun:  Sunrise 05:56, Sunset 20:00.
The Moon:  Moonrise 13:31, Moonset 02:52, Moon phase: in its first quarter in its first quarter
 Geomagnetic Field: Active
 UV index: 6,5 (High)

at nightfrom 03:00 to 06:00Sometimes short-term rains
Air temperature:
 +7...+11 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northwest
Wind: light breeze, northwest, speed 4-7 km/h
Wind gusts: 18 km/h
Relative humidity: 70-86%
Cloudiness: 100%
Atmospheric pressure: 827-829 hPa
Amount of precipitations:  0,1 mm

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +7...+13 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northern
Wind: gentle breeze, northern, speed 4-14 km/h
Wind gusts: 36 km/h
Relative humidity: 62-88%
Cloudiness: 100%
Atmospheric pressure: 827-829 hPa
Amount of precipitations:  0,3 mm

by dayfrom 12:01 to 18:00Rain expected
Air temperature:
 +10...+15 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
eastern
Wind: fresh breeze, eastern, speed 18-29 km/h
Wind gusts: 58 km/h
Relative humidity: 50-79%
Cloudiness: 100%
Atmospheric pressure: 828-829 hPa
Amount of precipitations: 3,9 mm

in the eveningfrom 18:01 to 00:00Rain expected
Air temperature:
 +7...+9 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
eastern
Wind: gentle breeze, eastern, speed 7-18 km/h
Wind gusts: 32 km/h
Relative humidity: 82-96%
Cloudiness: 100%
Atmospheric pressure: 828-829 hPa
Amount of precipitations: 8,8 mm

Tuesday, May 6, 2025
The Sun:  Sunrise 05:55, Sunset 20:01.
The Moon:  Moonrise 14:33, Moonset 03:16, Moon phase: waxing gibbous waxing gibbous
 Geomagnetic Field: Unstable
 UV index: 0,8 (Low)

at nightfrom 00:01 to 06:00Sometimes short-term rains
Air temperature:
 +5...+7 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northern
Wind: light breeze, northern, speed 4-11 km/h
Wind gusts: 14 km/h
Relative humidity: 97-99%
Cloudiness: 100%
Atmospheric pressure: 829-831 hPa
Amount of precipitations:  0,9 mm

in the morningfrom 06:01 to 12:00Rain expected
Air temperature:
 +6 °CThe temperature will not changeprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
northeast
Wind: gentle breeze, northeast, speed 7-18 km/h
Wind gusts: 40 km/h
Relative humidity: 96-98%
Cloudiness: 100%
Atmospheric pressure: 831-833 hPa
Amount of precipitations: 7 mm

by dayfrom 12:01 to 18:00Rain expected
Air temperature:
 +3...+4 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
northern
Wind: gentle breeze, northern, speed 7-18 km/h
Wind gusts: 50 km/h
Relative humidity: 93-97%
Cloudiness: 100%
Atmospheric pressure: 833-836 hPa
Amount of precipitations: 19,7 mm

in the eveningfrom 18:01 to 00:00Rain expected
Air temperature:
 +3...+4 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
northwest
Wind: light breeze, northwest, speed 7-11 km/h
Wind gusts: 29 km/h
Relative humidity: 88-94%
Cloudiness: 100%
Atmospheric pressure: 835-836 hPa
Amount of precipitations: 4,4 mm

Wednesday, May 7, 2025
The Sun:  Sunrise 05:54, Sunset 20:02.
The Moon:  Moonrise 15:34, Moonset 03:37, Moon phase: waxing gibbous waxing gibbous
 Geomagnetic Field: Quiet
 UV index: 3,3 (Moderate)

at nightfrom 00:01 to 06:00Sometimes short-term rains
Air temperature:
 +3...+4 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
western
Wind: light breeze, western, speed 11 km/h
Wind gusts: 29 km/h
Relative humidity: 84-88%
Cloudiness: 100%
Atmospheric pressure: 835 hPa
Amount of precipitations:  1,8 mm

in the morningfrom 06:01 to 12:00Rain expected
Air temperature:
 +4...+6 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Rain expected
northern
Wind: light breeze, northern, speed 4-7 km/h
Wind gusts: 25 km/h
Relative humidity: 83-91%
Cloudiness: 100%
Atmospheric pressure: 835-839 hPa
Amount of precipitations: 4,5 mm

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +7...+10 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northeast
Wind: light breeze, northeast, speed 7-11 km/h
Wind gusts: 25 km/h
Relative humidity: 59-80%
Cloudiness: 100%
Atmospheric pressure: 837-839 hPa
Amount of precipitations:  0,8 mm

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +6...+9 °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: 65-92%
Cloudiness: 100%
Atmospheric pressure: 837-840 hPa
Amount of precipitations:  1,7 mm

Thursday, May 8, 2025
The Sun:  Sunrise 05:53, Sunset 20:03.
The Moon:  Moonrise 16:33, Moonset 03:56, Moon phase: waxing gibbous waxing gibbous
 Geomagnetic Field: Active
 UV index: 9,2 (Very high)

at nightfrom 00:01 to 06:00Clear skies, no precipitation
Air temperature:
 +4...+6 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: light breeze, western, speed 7-11 km/h
Wind gusts: 18 km/h
Relative humidity: 64-86%
Cloudiness: 64%
Atmospheric pressure: 836-839 hPa

in the morningfrom 06:01 to 12:00Clear skies, no precipitation
Air temperature:
 +4...+12 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
southern
Wind: light breeze, southern, speed 7-11 km/h
Wind gusts: 25 km/h
Relative humidity: 51-61%
Cloudiness: 39%
Atmospheric pressure: 836-841 hPa

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +13...+15 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: light breeze, eastern, speed 7-11 km/h
Wind gusts: 29 km/h
Relative humidity: 46-57%
Cloudiness: 63%
Atmospheric pressure: 841 hPa
Amount of precipitations:  0,7 mm

in the eveningfrom 18:01 to 00:00Variably cloudy
Air temperature:
 +10...+14 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Variably cloudy
southern
Wind: gentle breeze, southern, speed 7-14 km/h
Wind gusts: 18 km/h
Relative humidity: 63-75%
Cloudiness: 67%
Atmospheric pressure: 840-841 hPa

Friday, May 9, 2025
The Sun:  Sunrise 05:52, Sunset 20:04.
The Moon:  Moonrise 17:33, Moonset 04:15, Moon phase: waxing gibbous waxing gibbous
 Geomagnetic Field: Active

at nightfrom 00:01 to 06:00Variably cloudy
Air temperature:
 +8...+10 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Variably cloudy
western
Wind: gentle breeze, western, speed 11-14 km/h
Wind gusts: 22 km/h
Relative humidity: 54-63%
Cloudiness: 67%
Atmospheric pressure: 839-840 hPa

in the morningfrom 06:01 to 12:00Sometimes short-term rains
Air temperature:
 +8...+17 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northern
Wind: light breeze, northern, speed 4-11 km/h
Wind gusts: 25 km/h
Relative humidity: 48-60%
Cloudiness: 67%
Atmospheric pressure: 839-844 hPa
Amount of precipitations:  1,1 mm

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +18...+19 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northern
Wind: light breeze, northern, speed 7-11 km/h
Wind gusts: 36 km/h
Relative humidity: 51-64%
Cloudiness: 100%
Atmospheric pressure: 844 hPa
Amount of precipitations: 4,1 mm

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +12...+18 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
northwest
Wind: gentle breeze, northwest, speed 7-14 km/h
Wind gusts: 29 km/h
Relative humidity: 70-83%
Cloudiness: 99%
Atmospheric pressure: 844 hPa
Amount of precipitations:  0,8 mm

Saturday, May 10, 2025
The Sun:  Sunrise 05:51, Sunset 20:05.
The Moon:  Moonrise 18:34, Moonset 04:35, Moon phase: waxing gibbous waxing gibbous
 Geomagnetic Field: Active

at nightfrom 00:01 to 06:00Clear skies, no precipitation
Air temperature:
 +9...+12 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: gentle breeze, western, speed 11-14 km/h
Wind gusts: 18 km/h
Relative humidity: 70-76%
Cloudiness: 50%
Atmospheric pressure: 841-844 hPa

in the morningfrom 06:01 to 12:00Clear skies, no precipitation
Air temperature:
 +9...+17 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
southern
Wind: light breeze, southern, speed 4-11 km/h
Wind gusts: 22 km/h
Relative humidity: 54-74%
Cloudiness: 34%
Atmospheric pressure: 841-845 hPa

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +18...+20 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
eastern
Wind: gentle breeze, eastern, speed 11 km/h
Wind gusts: 32 km/h
Relative humidity: 41-52%
Cloudiness: 83%
Atmospheric pressure: 843-845 hPa
Amount of precipitations:  0,2 mm

in the eveningfrom 18:01 to 00:00Light cloud cover in the sky, no precipitation
Air temperature:
 +12...+17 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Light cloud cover in the sky, no precipitation
southern
Wind: gentle breeze, southern, speed 11-14 km/h
Wind gusts: 32 km/h
Relative humidity: 43-70%
Cloudiness: 70%
Atmospheric pressure: 841-843 hPa

Sunday, May 11, 2025
The Sun:  Sunrise 05:49, Sunset 20:06.
The Moon:  Moonrise 19:36, Moonset 04:58, Moon phase: waxing gibbous waxing gibbous
 Geomagnetic Field: Unstable

at nightfrom 00:01 to 06:00Clear skies, no precipitation
Air temperature:
 +10...+12 °CThe air temperature will go down
Weather patterns and meteorological conditions:
Clear skies, no precipitation
western
Wind: light breeze, western, speed 11 km/h
Wind gusts: 22 km/h
Relative humidity: 58-72%
Cloudiness: 50%
Atmospheric pressure: 837-841 hPa

in the morningfrom 06:01 to 12:00Clear skies, no precipitation
Air temperature:
 +10...+19 °CThe temperature will rise
Weather patterns and meteorological conditions:
Clear skies, no precipitation
southern
Wind: light breeze, southern, speed 7-11 km/h
Wind gusts: 25 km/h
Relative humidity: 45-54%
Cloudiness: 0%
Atmospheric pressure: 837-840 hPa

by dayfrom 12:01 to 18:00Sometimes short-term rains
Air temperature:
 +18...+22 °CThe temperature will riseprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southeast
Wind: moderate breeze, southeast, speed 7-25 km/h
Wind gusts: 32 km/h
Relative humidity: 34-45%
Cloudiness: 100%
Atmospheric pressure: 837-840 hPa
Amount of precipitations:  0,2 mm

in the eveningfrom 18:01 to 00:00Sometimes short-term rains
Air temperature:
 +14...+17 °CThe air temperature will go downprecipitation is expected
Weather patterns and meteorological conditions:
Sometimes short-term rains
southwest
Wind: fresh breeze, southwest, speed 11-32 km/h
Wind gusts: 43 km/h
Relative humidity: 53-61%
Cloudiness: 100%
Atmospheric pressure: 833-837 hPa
Amount of precipitations:  0,3 mm

weather in nearby cities

Cloudy sky, no precipitation Pine Brook Hill  +7 °C 
Cloudy sky, no precipitation Crisman  +6 °C 
Cloudy sky, no precipitation Paragon Estates  +9 °C 
Cloudy sky, no precipitation Eldorado Springs  +7 °C 
Cloudy sky, no precipitation Gunbarrel  +9 °C 
Cloudy sky, no precipitation Lazy Acres  +7 °C 
Cloudy sky, no precipitation Superior  +9 °C 
Cloudy sky, no precipitation Sugarloaf  +5 °C 
Cloudy sky, no precipitation Louisville  +10 °C 
Cloudy sky, no precipitation Gold Hill  +5 °C 
Cloudy sky, no precipitation Niwot  +10 °C 
Cloudy sky, no precipitation Altona  +7 °C 
Cloudy sky, no precipitation Jamestown  +6 °C 
Cloudy sky, no precipitation Coal Creek  +5 °C 
Cloudy sky, no precipitation Lafayette  +11 °C 
Cloudy sky, no precipitation Broomfield  +11 °C 
Cloudy sky, no precipitation Erie  +11 °C 
Light cloud cover in the sky, no precipitation Hygiene  +9 °C 
Snow and rain expected Nederland  +2 °C 
Light cloud cover in the sky, no precipitation Longmont  +11 °C 
Sometimes short-term rains Rollinsville  +2 °C 
Cloudy sky, no precipitation Lyons  +7 °C 
Cloudy sky, no precipitation Westminster  +12 °C 
Cloudy sky, no precipitation Northglenn  +13 °C 
Cloudy sky, no precipitation Arvada  +11 °C 
Cloudy sky, no precipitation Golden  +9 °C 
Cloudy sky, no precipitation Dacono  +12 °C 
Cloudy sky, no precipitation Allenspark  +2 °C 
Cloudy sky, no precipitation Federal Heights  +13 °C 
Cloudy sky, no precipitation Frederick  +12 °C 
The sky is overcast, no precipitation Applewood  +10 °C 
Cloudy sky, no precipitation Thornton  +13 °C 
Cloudy sky, no precipitation Sherrelwood  +13 °C 
Cloudy sky, no precipitation Firestone  +12 °C 
Sometimes short-term rains Black Hawk  +2 °C 
Cloudy sky, no precipitation Twin Lakes  +13 °C 
Cloudy sky, no precipitation Berkley  +12 °C 
Sometimes short-term rains Central City  +2 °C 
Cloudy sky, no precipitation Wheat Ridge  +11 °C 
The sky is overcast, no precipitation West Pleasant View  +9 °C 
Cloudy sky, no precipitation Mountain View  +12 °C 
Cloudy sky, no precipitation Welby  +12 °C 
The sky is overcast, no precipitation East Pleasant View  +10 °C 
Light cloud cover in the sky, no precipitation Mead  +12 °C 
Cloudy sky, no precipitation North Washington  +13 °C 
Cloudy sky, no precipitation Edgewater  +12 °C 
Cloudy sky, no precipitation Todd Creek  +12 °C 
Cloudy sky, no precipitation Derby  +12 °C 

Temperature trend on the chart

DateTemperature,°C1571015192022105610141415733489109645911111065813131513491419192084812151516MaximumAverageMinimumat nightin the morningby dayin the evening05.506.507.508.509.510.511.55101520025

Additional data

Country:USA
Telephone country code:+1
Location:State of Colorado
District:Boulder County
The name of the city or village:Boulder
Time zone:America/Denver, GMT -6. Summertime (plus one hour)
Coordinates:Latitude: 40.015; Longitude: -105.271;
Aliases (In other languages):English: BoulderРусский: БоулдерУкраїнська: Боулдер
 
Bolder, Bouldur, USWBU, WBU, ba'uldara, bo de, bo er de, boldara, boldeo, bolde xr, boruda, bwldr, bwldr klradw, klradw, kwlwradw, بولدر، كولورادو, بولدر، کلرادو, بولڈر، کولوراڈو, बाउल्डर, ボルダー, 博尔德, 博爾德
The project was created and is maintained by FDSTAR company, 2025

Weather in Boulder for a week

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Protection from UV radiation from the Sun is necessary. A UV index reading of 6 to 7 means high risk of harm from unprotected sun exposure. Protection against skin and eye damage is needed. Reduce time in the sun between 10 a.m. and 4 p.m. If outdoors, seek shade and 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.
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.
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:
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.
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.
Enhanced protection from UV radiation from the Sun is required. A UV index reading of 8 to 10 means very high risk of harm from unprotected sun exposure. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Minimize sun exposure between 10 a.m. and 4 p.m. If outdoors, seek shade and 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.
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.