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.

Partly Cloudy

36°F

2°C

Humidity 50%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 11 Sep 8:15 am MDT
Extended Forecast for

2 Miles NE Arapahoe Peak CO

  • Today

    Today: Mostly sunny, with a high near 56. Breezy, with a west wind 20 to 23 mph, with gusts as high as 36 mph.

    High: 56 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 41. Breezy, with a west wind 10 to 20 mph, with gusts as high as 31 mph.

    Low: 41 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 54 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 41 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 37 mph.

    High: 58 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. Windy. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    T-storms and
    Windy

  • Monday

    Monday: A chance of rain and snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 53. Windy. Chance of precipitation is 40%.

    High: 53 °F

    Windy. Mostly
    Sunny then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 48.

    High: 48 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 56. Breezy, with a west wind 20 to 23 mph, with gusts as high as 36 mph.
Tonight
Mostly clear, with a low around 41. Breezy, with a west wind 10 to 20 mph, with gusts as high as 31 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 41. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 37 mph.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. Windy. Chance of precipitation is 20%.
Monday
A chance of rain and snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 53. Windy. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 48.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 53. Breezy.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Arapahoe Peak CO
 40.04°N 105.63°W (Elev. 12546 ft)
Last Update:
12:46 am MDT Sep 11, 2026
Forecast Valid:
8am MDT Sep 11, 2026-6pm MDT Sep 17, 2026
 
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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