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 94%
Wind Speed E 5 mph
Barometer 30.50 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 23 Aug 2:55 am MDT
Extended Forecast for

3 Miles S Trail Ridge CO

  • Overnight

    Overnight: Partly cloudy, with a low around 46. West wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 67. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 67 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 45. West wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 67. West wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.

    High: 67 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 42. West wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Sunny then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. West wind 11 to 13 mph, with gusts as high as 21 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 67. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 45. West wind 9 to 13 mph, with gusts as high as 21 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 67. West wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 42. West wind 5 to 7 mph. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 66.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Trail Ridge CO
 40.39°N 105.75°W (Elev. 10531 ft)
Last Update:
2:19 am MDT Aug 23, 2026
Forecast Valid:
3am MDT Aug 23, 2026-6pm MDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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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