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

61°F

16°C

Humidity 19%
Wind Speed E 8 G 16 mph
Barometer 30.25 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 4 Apr 3:55 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Mostly clear, with a low around 35. Northeast wind 5 to 8 mph becoming light and variable after midnight.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. East wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. East wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 16 mph.

    Low: 34 °F

    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 75. Breezy.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 35. Northeast wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 67. Calm wind becoming east southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 36. East wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 65. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 34. East wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 16 mph.
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 75. Breezy.
Wednesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 38.
Thursday
A chance of showers after noon. Partly sunny, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39.
Friday
A chance of showers. Mostly cloudy, with a high near 67.
Friday Night
A chance of showers. Mostly cloudy, with a low around 41.
Saturday
A chance of showers. Mostly cloudy, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
12:45 pm MDT Apr 4, 2026
Forecast Valid:
4pm MDT Apr 4, 2026-6pm MDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation