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

64°F

18°C

Humidity 46%
Wind Speed NE 9 mph
Barometer 30.15 in
Dewpoint 42°F (6°C)
Visibility 7.00 mi
Last update 13 Jun 8:55 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: Sunny, with a high near 80. Northeast wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. Breezy, with a northeast wind 7 to 15 mph, with gusts as high as 24 mph.

    Low: 50 °F

    Becoming
    Cloudy and
    Breezy then
    Cloudy

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after noon. Patchy smoke between 8am and 3pm. Mostly cloudy, with a high near 65. Northeast wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    High: 65 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 49. Northeast wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 49 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Breezy.

    High: 100 °F

    Hot and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 80. Northeast wind 8 to 14 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 50. Breezy, with a northeast wind 7 to 15 mph, with gusts as high as 24 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after noon. Patchy smoke between 8am and 3pm. Mostly cloudy, with a high near 65. Northeast wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 49. Northeast wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 80. Calm wind becoming east northeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny and hot, with a high near 100. Breezy.
Wednesday Night
Clear, with a low around 56. Breezy.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 58.
Juneteenth
Sunny, with a high near 95.
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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:
1:02 am MDT Jun 13, 2026
Forecast Valid:
9am MDT Jun 13, 2026-6pm MDT Jun 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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