National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

Lat: 40.16°NLon: 105.16°WElev: 5039ft.

Fair

49°F

9°C

Humidity 36%
Wind Speed E 6 mph
Barometer 30.33 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 4 Apr 10:35 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: Sunny, with a high near 63. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Northeast wind 5 to 8 mph becoming light and variable after midnight.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. East southeast wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon. Mostly sunny, with a high near 76. Breezy.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 63. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 34. Northeast wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 69. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 35. East southeast wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 64. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 34.
Tuesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 76. Breezy.
Wednesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 38. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 66.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 35.
Friday
A chance of showers. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.09°W (Elev. 4980 ft)
Last Update:
12:46 am MDT Apr 4, 2026
Forecast Valid:
10am MDT Apr 4, 2026-6pm MDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation