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.

Overcast

42°F

6°C

Humidity 73%
Wind Speed NE 6 mph
Barometer 30.19 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 22 Mar 6:15 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: Mostly sunny, with a high near 66. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. East wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 73. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 45. East southeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 45 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Tonight
Mostly cloudy, with a low around 41. East wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 73. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 45. East southeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Tuesday
Partly sunny, with a high near 85. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 71.
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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:
12:46 am MDT Mar 22, 2026
Forecast Valid:
6am MDT Mar 22, 2026-6pm MDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation