Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

46°F

8°C

Humidity 55%
Wind Speed W 3 mph
Barometer 30.18 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 17 Oct 11:35 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Clear, with a low around 39. Light west wind.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Calm wind becoming east around 6 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 39. Light west wind.
Sunday
Sunny, with a high near 74. Calm wind becoming east around 6 mph.
Sunday Night
Partly cloudy, with a low around 45. Light and variable wind.
Monday
Mostly sunny, with a high near 68. Light and variable wind.
Monday Night
Mostly clear, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 51.
Friday
A chance of showers. Partly sunny, with a high near 71.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49.
Saturday
A chance of showers. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.09°W (Elev. 4980 ft)
12:46 pm MDT Oct 17, 2026
11pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
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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