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

Vance Brand Airport (KLMO)

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

Fair

69°F

21°C

Humidity 28%
Wind Speed W 3 mph
Barometer 30.11 in
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Last update 8 Oct 9:15 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 52. West northwest wind 3 to 8 mph.

    Low: 52 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 86. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 86 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 53. West wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 84. South southwest wind 3 to 6 mph. Winds could gust as high as 17 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. West wind around 6 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers after midnight. Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 52. West northwest wind 3 to 8 mph.
Friday
Increasing clouds, with a high near 86. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 53. West wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 84. South southwest wind 3 to 6 mph. Winds could gust as high as 17 mph.
Saturday Night
Mostly cloudy, with a low around 56. West wind around 6 mph becoming calm after midnight.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 52.
Columbus Day
Sunny, with a high near 79.
Monday Night
A slight chance of showers after midnight. Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 73.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A chance of showers. Mostly sunny, with a high near 72.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46.
Thursday
A chance of showers. Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.18°N 105.12°W (Elev. 5030 ft)
Last Update:
12:46 pm MDT Oct 8, 2026
Forecast Valid:
9pm MDT Oct 8, 2026-6pm MDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation