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

33°F

1°C

Humidity 42%
Wind Speed SE 6 mph
Barometer 30.34 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 18 Apr 8:55 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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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:
12:47 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

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