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.

Overcast

4°F

-16°C

Humidity 77%
Wind Speed Calm
Barometer 30.48 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 10 Jan 12:35 am MST
Extended Forecast for

Arapahoe Peak CO

  • Overnight

    Overnight: Mostly cloudy, with a low around -7. Wind chill values as low as -35. Windy, with a west wind 29 to 33 mph, with gusts as high as 50 mph.

    Low: -7 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 5. Wind chill values as low as -32. Windy, with a west wind 25 to 33 mph, with gusts as high as 50 mph.

    High: 5 °F

    Cold and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2. Wind chill values as low as -21. Windy, with a west wind 23 to 26 mph, with gusts as high as 33 mph.

    Low: 2 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: Mostly sunny, with a high near 17. Wind chill values as low as -18. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 28 mph.

    High: 17 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8. Windy, with a west wind 23 to 26 mph, with gusts as high as 32 mph.

    Low: 8 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Sunny, with a high near 20. Windy.

    High: 20 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Windy.

    Low: 12 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: A slight chance of snow after 11am. Mostly cloudy, with a high near 18. Windy.

    High: 18 °F

    Slight Chance
    Snow and
    Windy

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 12. Windy.

    Low: 12 °F

    Chance Snow
    and Windy

Detailed Forecast

Overnight
Mostly cloudy, with a low around -7. Wind chill values as low as -35. Windy, with a west wind 29 to 33 mph, with gusts as high as 50 mph.
Saturday
Partly sunny and cold, with a high near 5. Wind chill values as low as -32. Windy, with a west wind 25 to 33 mph, with gusts as high as 50 mph.
Saturday Night
Partly cloudy, with a low around 2. Wind chill values as low as -21. Windy, with a west wind 23 to 26 mph, with gusts as high as 33 mph.
Sunday
Mostly sunny, with a high near 17. Wind chill values as low as -18. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 8. Windy, with a west wind 23 to 26 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 20. Windy.
Monday Night
Mostly cloudy, with a low around 12. Windy.
Tuesday
A slight chance of snow after 11am. Mostly cloudy, with a high near 18. Windy.
Tuesday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 12. Windy.
Wednesday
A slight chance of snow. Partly sunny, with a high near 19. Windy.
Wednesday Night
Partly cloudy, with a low around 12. Windy.
Thursday
Mostly sunny, with a high near 16. Windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 2. Windy.
Friday
A chance of snow. Mostly cloudy and cold, with a high near 4. Windy.
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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:
2:16 pm MST Jan 9, 2026
Forecast Valid:
12am MST Jan 10, 2026-6pm MST Jan 16, 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