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

52°F

11°C

Humidity 58%
Wind Speed Calm
Barometer 30.43 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Aug 6:55 am MDT
Extended Forecast for

Granby CO

  • Today

    Today: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. North northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. North northeast wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after noon. High near 81. Calm wind becoming east 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%.

    High: 81 °F

    Partly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms after noon. High near 74. Chance of precipitation is 90%.

    High: 74 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Showers

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers then
    T-storms
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. North northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 44. North northeast wind around 6 mph becoming calm in the evening.
Wednesday
Showers and possibly a thunderstorm after noon. High near 81. Calm wind becoming east 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Thursday
A chance of showers, then showers and thunderstorms after noon. High near 74. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 39.
Friday
A slight chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 74.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 37.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 75.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 37.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Granby CO
 40.09°N 105.92°W (Elev. 8159 ft)
Last Update:
12:46 am MDT Aug 10, 2026
Forecast Valid:
7am MDT Aug 10, 2026-6pm MDT Aug 16, 2026
 
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