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

12°C

53°F

Humidity 85%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 9°C (49°F)
Visibility 11 km
Last update 17 Jun 11:35 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Mostly clear, with a low around 11. Calm wind.

    Low: 11 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 28. Calm wind becoming east 5 to 10 km/h in the morning.

    High: 28 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. Southeast wind 5 to 11 km/h becoming west after midnight. Winds could gust as high as 24 km/h.

    Low: 13 °C

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny and hot, with a high near 36. Light and variable wind becoming east southeast 9 to 14 km/h in the afternoon. Winds could gust as high as 32 km/h.

    High: 36 °C

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16. East southeast wind 10 to 13 km/h becoming west after midnight. Winds could gust as high as 29 km/h.

    Low: 16 °C

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 38.

    High: 38 °C

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 17.

    Low: 17 °C

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 38.

    High: 38 °C

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 17.

    Low: 17 °C

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 11. Calm wind.
Wednesday
Sunny, with a high near 28. Calm wind becoming east 5 to 10 km/h in the morning.
Wednesday Night
Mostly clear, with a low around 13. Southeast wind 5 to 11 km/h becoming west after midnight. Winds could gust as high as 24 km/h.
Juneteenth
Sunny and hot, with a high near 36. Light and variable wind becoming east southeast 9 to 14 km/h in the afternoon. Winds could gust as high as 32 km/h.
Thursday Night
Mostly clear, with a low around 16. East southeast wind 10 to 13 km/h becoming west after midnight. Winds could gust as high as 29 km/h.
Friday
Sunny and hot, with a high near 38.
Friday Night
Mostly clear, with a low around 17.
Saturday
Sunny and hot, with a high near 38.
Saturday Night
Mostly clear, with a low around 17.
Sunday
Sunny, with a high near 33.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 27.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 13.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 28.
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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 m)
Last Update:
3:02 pm MDT Jun 17, 2025
Forecast Valid:
11pm MDT Jun 17, 2025-6pm MDT Jun 24, 2025
 
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