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

39°F

4°C

Humidity 53%
Wind Speed SE 3 mph
Barometer 30.45 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 9 Oct 1:15 am MDT
Extended Forecast for

6 Miles WNW Arapahoe Peak CO

  • Overnight

    Overnight: Clear, with a low around 38. West southwest wind around 8 mph.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 57. West southwest wind 5 to 7 mph becoming south southeast in the afternoon.

    High: 57 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. East southeast wind 3 to 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 52. Light and variable wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 50%.

    High: 52 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Cloudy, with a low around 45. Southwest wind around 6 mph.

    Low: 45 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.

    High: 52 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of rain and snow showers, mainly before noon. Some thunder is also possible. Mostly sunny, with a high near 46. Breezy.

    High: 46 °F

    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 38. West southwest wind around 8 mph.
Thursday
Increasing clouds, with a high near 57. West southwest wind 5 to 7 mph becoming south southeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 42. East southeast wind 3 to 6 mph.
Friday
A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 52. Light and variable wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers. Cloudy, with a low around 45. Southwest wind around 6 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40.
Sunday
A chance of rain and snow showers, mainly before noon. Some thunder is also possible. Mostly sunny, with a high near 46. Breezy.
Sunday Night
Partly cloudy, with a low around 31.
Columbus Day
A slight chance of rain and snow showers after noon. Mostly sunny, with a high near 48.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 34.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 51.
Tuesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 33.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Arapahoe Peak CO
 40.06°N 105.74°W (Elev. 10095 ft)
Last Update:
1:30 pm MDT Oct 8, 2025
Forecast Valid:
1am MDT Oct 9, 2025-6pm MDT Oct 15, 2025
 
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