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

63°F

17°C

Humidity 46%
Wind Speed Calm
Barometer 30.56 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 21 Aug 11:35 pm MDT
Extended Forecast for

6 Miles ENE Granby CO

  • Tonight

    Tonight: Partly cloudy, with a low around 49. East southeast wind around 6 mph becoming calm after midnight.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 82. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. South wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light west southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 26 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • 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 46. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. East southeast wind around 6 mph becoming calm after midnight.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 82. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. South wind around 6 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light west southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 26 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 46. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Tuesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Granby CO
 40.12°N 105.84°W (Elev. 8799 ft)
Last Update:
1:46 pm MDT Aug 21, 2026
Forecast Valid:
11pm MDT Aug 21, 2026-6pm MDT Aug 28, 2026
 
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Additional Resources

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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