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

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

72°F

22°C

Humidity 19%
Wind Speed SW 8 mph
Barometer 30.47 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 3 Oct 3:55 pm MDT
Extended Forecast for

Arapahoe Peak CO

  • Tonight

    Tonight: Mostly clear, with a low around 32. East wind 8 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. West wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. Breezy, with a west wind 9 to 17 mph, with gusts as high as 23 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Breezy, with a west wind 8 to 15 mph.

    Low: 37 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. Breezy.

    Low: 35 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 32. East wind 8 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 49. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 35. West wind 8 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 49. Breezy, with a west wind 9 to 17 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 37. Breezy, with a west wind 8 to 15 mph.
Tuesday
A 20 percent chance of snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 35. Breezy.
Thursday
Sunny, with a high near 46. Breezy.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 47. Breezy.
Friday Night
Mostly clear, with a low around 35. Breezy.
Saturday
Mostly sunny, with a high near 45. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
12:46 pm MDT Oct 3, 2026
Forecast Valid:
4pm MDT Oct 3, 2026-6pm MDT Oct 10, 2026
 
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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