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.

Mostly Cloudy

76°F

24°C

Humidity 31%
Wind Speed Calm
Barometer 30.45 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 22 Aug 4:15 pm MDT
Extended Forecast for

6 Miles S Trail Ridge CO

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 57. South southeast wind around 7 mph. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 44. South southwest wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 59. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 59 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.

    High: 58 °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. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 57. South southeast wind around 7 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 44. South southwest wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 59. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 57. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 58.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 59. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Trail Ridge CO
 40.35°N 105.74°W (Elev. 11824 ft)
Last Update:
12:46 pm MDT Aug 22, 2026
Forecast Valid:
4pm MDT Aug 22, 2026-6pm MDT Aug 29, 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