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

74°F

23°C

Humidity 24%
Wind Speed SW 9 G 21 mph
Barometer 30.33 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 12 Sep 2:35 pm MDT
Extended Forecast for

Trail Ridge CO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 62. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 62 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 42. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 67. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 67 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after 9pm. Increasing clouds, with a low around 44. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 57. Breezy, with a west wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59.

    High: 59 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 62. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 42. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 67. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 9pm. Increasing clouds, with a low around 44. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 40%.
Monday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 57. Breezy, with a west wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38. Breezy.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 57. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 38.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 57.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 35.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trail Ridge CO
 40.46°N 105.75°W (Elev. 10761 ft)
Last Update:
12:46 pm MDT Sep 12, 2026
Forecast Valid:
2pm MDT Sep 12, 2026-6pm MDT Sep 18, 2026
 
Forecast Discussion
 
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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