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

64°F

18°C

Humidity 44%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 2 Sep 7:15 pm MDT
Extended Forecast for

Granby CO

  • Tonight

    Tonight: Partly cloudy, with a low around 37. West wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77. Breezy, with a light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 77 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. West wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers before midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. West wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 77. Breezy, with a light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 38. West wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 77. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 41. Southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Sunday Night
A chance of showers before midnight. Mostly cloudy, with a low around 43.
Labor Day
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Granby CO
 40.09°N 105.95°W (Elev. 7999 ft)
Last Update:
1:42 pm MDT Sep 2, 2026
Forecast Valid:
7pm MDT Sep 2, 2026-6pm MDT Sep 9, 2026
 
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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