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 30.55 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 21 Aug 10:55 pm MDT
Extended Forecast for

9 Miles WSW Trail Ridge CO

  • Tonight

    Tonight: Partly cloudy, with a low around 45. South wind 5 to 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 71. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 71 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly before 8pm. Cloudy, then gradual clearing toward daybreak, with a low around 42. South wind around 7 mph becoming west southwest after midnight.

    Low: 42 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. West wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 68 °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 42. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. South wind 5 to 7 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 71. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly before 8pm. Cloudy, then gradual clearing toward daybreak, with a low around 42. South wind around 7 mph becoming west southwest after midnight.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. West wind 5 to 14 mph, with gusts as high as 25 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 42. West wind 5 to 11 mph, with gusts 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 67. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 39.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 38.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Trail Ridge CO
 40.38°N 105.89°W (Elev. 11201 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

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation