National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

47°F

8°C

Humidity 61%
Wind Speed Calm
Barometer 30.40 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 Aug 6:55 am MDT
Extended Forecast for

Granby CO

  • Today

    Today: A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%.

    High: 82 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 39. South southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday 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 38. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 79 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 81.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 83.

    High: 83 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 39. South southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday 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 38. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
Mostly clear, with a low around 39.
Monday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 40.
Tuesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Granby CO
 40.09°N 105.95°W (Elev. 7999 ft)
Last Update:
4:01 am MDT Aug 15, 2025
Forecast Valid:
7am MDT Aug 15, 2025-6pm MDT Aug 21, 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