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

32°F

0°C

Humidity 43%
Wind Speed SE 3 mph
Barometer 30.35 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Apr 9:15 pm MDT
Extended Forecast for

Arapahoe Peak CO

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 15. Wind chill values as low as -4. Breezy, with a west wind 18 to 21 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 32. Wind chill values as low as -6. Breezy, with a west wind around 22 mph, with gusts as high as 31 mph.

    High: 32 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20. Breezy, with a west wind 16 to 21 mph, with gusts as high as 26 mph.

    Low: 20 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Partly sunny, with a high near 39. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 30 mph.

    High: 39 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. Blustery, with a west northwest wind 17 to 21 mph, with gusts as high as 26 mph.

    Low: 25 °F

    Mostly Clear
    and Blustery

  • Tuesday

    Tuesday: A 30 percent chance of snow showers after noon. Mostly sunny, with a high near 42. Breezy.

    High: 42 °F

    Breezy. Sunny
    then Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 27. Windy.

    Low: 27 °F

    Chance Snow
    Showers and
    Breezy then
    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: A chance of snow showers after noon. Partly sunny, with a high near 41. Very windy.

    High: 41 °F

    Chance Snow
    Showers and
    Very Windy

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 18. Very windy.

    Low: 18 °F

    Chance Snow
    Showers and
    Very Windy

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 15. Wind chill values as low as -4. Breezy, with a west wind 18 to 21 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 32. Wind chill values as low as -6. Breezy, with a west wind around 22 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 20. Breezy, with a west wind 16 to 21 mph, with gusts as high as 26 mph.
Monday
Partly sunny, with a high near 39. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 25. Blustery, with a west northwest wind 17 to 21 mph, with gusts as high as 26 mph.
Tuesday
A 30 percent chance of snow showers after noon. Mostly sunny, with a high near 42. Breezy.
Tuesday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 27. Windy.
Wednesday
A chance of snow showers after noon. Partly sunny, with a high near 41. Very windy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Very windy.
Thursday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 25. Very windy.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 13. Very windy.
Friday
Snow showers. Some thunder is also possible. Mostly cloudy, with a high near 22. Breezy.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 12. Breezy.
Saturday
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 22. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
12:47 pm MDT Apr 18, 2026
Forecast Valid:
9pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
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