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USAUSAState of ColoradoBoulder CountyLongmont

Weather forecast in Longmont, Boulder County, State of Colorado, USA today

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Local Time.
Time Zone: GMT -6
Summer Time (+1 hour)
* weather indicated in local time
Sunday, March 30, 2025
Sun:  Sunrise 06:47 AM, Sunset 07:23 PM.
Moon:  Moonrise 07:18 AM, Moonset 09:25 PM, Moon Phase: waxing crescent waxing crescent
 Earth's magnetic field: Quiet
 Solar ultraviolet index: 3,3 (Moderate)

09:00 AMmorningfrom 09:00 AM to 09:59 AMLight rain +37 °FThe air temperature will not changeprecipitation is expectedLight rain
southeast
Wind: light breeze, southeast, at a speed of 4 mph
Wind gusts: 9 mph
Relative humidity: 89%
Cloudiness: 97%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Solar ultraviolet index: 0,3 (Low)
Visibility: 97%

10:00 AMmorningfrom 10:00 AM to 10:59 AMLight rain +37 °FThe air temperature will not changeprecipitation is expectedLight rain
southeast
Wind: light breeze, southeast, at a speed of 4 mph
Wind gusts: 9 mph
Relative humidity: 83%
Cloudiness: 98%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Solar ultraviolet index: 0,8 (Low)
Visibility: 85%

11:00 AMmorningfrom 11:00 AM to 11:59 AMLight rain +41 °FThe air temperature will riseprecipitation is expectedLight rain
southeast
Wind: light breeze, southeast, at a speed of 7 mph
Wind gusts: 9 mph
Relative humidity: 78%
Cloudiness: 99%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Solar ultraviolet index: 1,8 (Low)
Visibility: 84%

12:00 PMafternoonfrom 12:00 PM to 12:59 PMLight rain +43 °FThe air temperature will riseprecipitation is expectedLight rain
eastern
Wind: light air, eastern, at a speed of 2 mph
Wind gusts: 7 mph
Relative humidity: 72%
Cloudiness: 92%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Solar ultraviolet index: 3 (Moderate)
Visibility: 86%

01:00 PMafternoonfrom 01:00 PM to 01:59 PMLight rain +46 °FThe air temperature will riseprecipitation is expectedLight rain
eastern
Wind: light breeze, eastern, at a speed of 4 mph
Wind gusts: 9 mph
Relative humidity: 66%
Cloudiness: 100%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Solar ultraviolet index: 3,3 (Moderate)
Visibility: 100%

02:00 PMafternoonfrom 02:00 PM to 02:59 PMLight rain +48 °FThe air temperature will riseprecipitation is expectedLight rain
eastern
Wind: light breeze, eastern, at a speed of 7 mph
Wind gusts: 13 mph
Relative humidity: 62%
Cloudiness: 100%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Solar ultraviolet index: 3 (Moderate)
Visibility: 100%

03:00 PMafternoonfrom 03:00 PM to 03:59 PMRain +50 °FThe air temperature will riseprecipitation is expectedRain
eastern
Wind: gentle breeze, eastern, at a speed of 9 mph
Wind gusts: 16 mph
Relative humidity: 60%
Cloudiness: 100%
Atmospheric pressure: 24,8 "Hg
Precipitations: 1,02 inch
Solar ultraviolet index: 2,2 (Low)
Visibility: 100%

04:00 PMafternoonfrom 04:00 PM to 04:59 PMLight rain +50 °FThe air temperature will not changeprecipitation is expectedLight rain
eastern
Wind: gentle breeze, eastern, at a speed of 9 mph
Wind gusts: 16 mph
Relative humidity: 61%
Cloudiness: 99%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Solar ultraviolet index: 1,3 (Low)
Visibility: 99%

05:00 PMafternoonfrom 05:00 PM to 05:59 PMLight rain +48 °FThe air temperature will go downprecipitation is expectedLight rain
eastern
Wind: gentle breeze, eastern, at a speed of 9 mph
Wind gusts: 16 mph
Relative humidity: 56%
Cloudiness: 98%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Solar ultraviolet index: 0,5 (Low)
Visibility: 96%

06:00 PMeveningfrom 06:00 PM to 06:59 PMOvercast sky +48 °FThe air temperature will not changeOvercast sky
eastern
Wind: gentle breeze, eastern, at a speed of 9 mph
Wind gusts: 18 mph
Relative humidity: 58%
Cloudiness: 93%
Atmospheric pressure: 24,8 "Hg
Solar ultraviolet index: 0,2 (Low)
Visibility: 94%

07:00 PMeveningfrom 07:00 PM to 07:59 PMLight rain +46 °FThe air temperature will go downprecipitation is expectedLight rain
southeast
Wind: gentle breeze, southeast, at a speed of 9 mph
Wind gusts: 16 mph
Relative humidity: 64%
Cloudiness: 100%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Visibility: 98%

08:00 PMeveningfrom 08:00 PM to 08:59 PMLight rain +45 °FThe air temperature will go downprecipitation is expectedLight rain
southeast
Wind: light breeze, southeast, at a speed of 7 mph
Wind gusts: 11 mph
Relative humidity: 70%
Cloudiness: 100%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Visibility: 98%

09:00 PMeveningfrom 09:00 PM to 09:59 PMLight rain +43 °FThe air temperature will go downprecipitation is expectedLight rain
northeast
Wind: light breeze, northeast, at a speed of 7 mph
Wind gusts: 11 mph
Relative humidity: 86%
Cloudiness: 100%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Visibility: 99%

10:00 PMeveningfrom 10:00 PM to 10:59 PMLight rain +43 °FThe air temperature will not changeprecipitation is expectedLight rain
northeast
Wind: light breeze, northeast, at a speed of 4 mph
Wind gusts: 11 mph
Relative humidity: 91%
Cloudiness: 100%
Atmospheric pressure: 24,8 "Hg
Precipitations: 0,004 inch
Visibility: 100%

11:00 PMeveningfrom 11:00 PM to 11:59 PMCloudy sky +43 °FThe air temperature will not changeCloudy sky
northern
Wind: light air, northern, at a speed of 2 mph
Wind gusts: 7 mph
Relative humidity: 92%
Cloudiness: 100%
Atmospheric pressure: 24,8 "Hg
Visibility: 100%

weather in Longmonttemperature in Longmonthourly weather forecast in Longmontweather in Longmont tomorrowweather in Longmont for 3 daysweather in Longmont for 5 daysweather in Longmont for a weeksunrise and sunset in Longmontrising and setting of the Moon in Longmontcurrent time in Longmont
see extended and detailed weather forecast in Longmont

Temperature trend on the chart

DateTemperature,°F37504334483739Temperature,°FApparent Temperature30.3 09:0030.3 10:0030.3 11:0030.3 12:0030.3 13:0030.3 14:0030.3 15:0030.3 16:0030.3 17:0030.3 18:0030.3 19:0030.3 20:0030.3 21:0030.3 22:0030.3 23:00354045503055

Weather in Nearby Cities

Light rain Hygiene  +41 °F 
Light rain Niwot  +41 °F 
Light rain Mead  +45 °F 
Light rain Gunbarrel  +41 °F 
Light rain Erie  +45 °F 
Light rain Firestone  +45 °F 
Light rain Lyons  +39 °F 
Light rain Berthoud  +43 °F 
Light rain Altona  +39 °F 
Light rain Frederick  +45 °F 
Light rain Dacono  +45 °F 
Overcast sky Lafayette  +45 °F 
Light rain Campion  +43 °F 
Overcast sky Louisville  +43 °F 
Light rain Lazy Acres  +39 °F 
Overcast sky Paragon Estates  +41 °F 
Light rain Boulder  +39 °F 
Light rain Pine Brook Hill  +39 °F 
Light rain Platteville  +45 °F 
Cloudy sky Superior  +43 °F 
Light rain Johnstown  +43 °F 
Light rain Jamestown  +39 °F 
Light rain Loveland  +41 °F 
Light rain Crisman  +39 °F 
Light rain Fort Lupton  +45 °F 
Cloudy sky Broomfield  +45 °F 
Light rain Milliken  +43 °F 
Light rain Gold Hill  +37 °F 
Overcast sky Todd Creek  +46 °F 
Light rain Aristocrat Ranchettes  +45 °F 
Overcast sky Eldorado Springs  +39 °F 
Light rain Gilcrest  +45 °F 
Light rain Sugarloaf  +37 °F 
Overcast sky Brighton  +45 °F 
Overcast sky Northglenn  +46 °F 
Overcast sky Thornton  +46 °F 
Light rain Allenspark  +34 °F 
Overcast sky Federal Heights  +46 °F 
Cloudy sky Westminster  +46 °F 
Overcast sky Coal Creek  +39 °F 
Cloudy sky Lochbuie  +45 °F 
Overcast sky Sherrelwood  +46 °F 
Light rain Windsor  +43 °F 
Overcast sky Welby  +46 °F 
Cloudy sky Twin Lakes  +46 °F 
Light rain La Salle  +43 °F 
Overcast sky Derby  +46 °F 
Overcast sky Hudson  +45 °F 
Cloudy sky Arvada  +45 °F 
Cloudy sky Berkley  +46 °F 
Cloudy sky North Washington  +46 °F 
Light rain Timnath  +43 °F 
Snow and rain Nederland  +34 °F 
Light rain Evans  +43 °F 
Cloudy sky Commerce City  +46 °F 
Light rain Estes Park  +36 °F 
Light rain Garden City  +43 °F 
Light rain Greeley  +43 °F 
Cloudy sky Mountain View  +46 °F 
Overcast sky Rollinsville  +36 °F 
Cloudy sky Wheat Ridge  +46 °F 
Light rain Severance  +43 °F 
Overcast sky Applewood  +45 °F 
Overcast sky Edgewater  +46 °F 
Light rain Fort Collins  +41 °F 
Overcast sky Golden  +43 °F 
Cloudy sky Denver  +46 °F 
Overcast sky West Pleasant View  +45 °F 
Overcast sky East Pleasant View  +45 °F 
Cloudy sky Keenesburg  +43 °F 
Light rain Laporte  +39 °F 
Light rain Bellvue  +39 °F 
Overcast sky Lakewood  +45 °F 
Light rain Kersey  +41 °F 
Light rain Eaton  +43 °F 
Overcast sky Black Hawk  +39 °F 
Overcast sky Glendale  +46 °F 
Overcast sky Central City  +37 °F 
Overcast sky Aurora  +46 °F 
Overcast sky Genesee  +43 °F 
Light rain Ault  +41 °F 
Overcast sky Morrison  +43 °F 
Overcast sky Sheridan  +46 °F 
Cloudy sky Englewood  +46 °F 
Overcast sky Idaho Springs  +39 °F 
Overcast sky Kittredge  +41 °F 
Overcast sky Cherry Hills Village  +46 °F 
Light rain Pierce  +41 °F 
Overcast sky Bow Mar  +45 °F 
Light rain Aetna Estates  +46 °F 
Light rain Wellington  +41 °F 
Overcast sky Indians Hills  +43 °F 
Overcast sky Meadows  +46 °F 
Overcast sky Littleton  +46 °F 
Overcast sky Cherry Creek  +46 °F 
Overcast sky Evergreen  +41 °F 
Overcast sky Indian Hills  +43 °F 
Overcast sky Greenwood Village  +46 °F 
Overcast sky Downieville-Lawson-Dumont  +36 °F 
Overcast sky Columbine Valley  +46 °F 

Some useful data

Country:USA
Country Phone Code:+1
Location:State of Colorado
District:Boulder County
The name of the city or village:Longmont
Time Zone:America/Denver, GMT -6. Summer Time (+1 hour)
Coordinates:Latitude: 40°10'2" N; Longitude: 105°6'7" W;
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Weather forecast in Longmont, Boulder County, State of Colorado, USA today

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On the ground:
Wind felt on face; leaves rustle; ordinary vanes moved by wind.
On the sea:
Small wavelets, still short, but more pronounced. Crests have a glassy appearance and do not break.
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 the ground:
Direction of wind shown by smoke drift, but not by wind vanes.
On the sea:
Ripples with the appearance of scales are formed, but without foam crests.
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.
On the ground:
Leaves and small twigs in constant motion; wind extends light flag.
On the sea:
Large wavelets. Crests begin to break. Foam of glassy appearance. Perhaps scattered white horses.
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