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.

Overcast

71°F

22°C

Humidity 36%
Wind Speed SE 6 mph
Barometer 30.47 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 22 Aug 6:15 pm MDT
Extended Forecast for

3 Miles E Arapahoe Peak CO

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 47. Breezy, with a west southwest wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 67. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 67 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • 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 47. Breezy, with a west wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms then
    Partly Cloudy
    and Breezy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 67. Breezy, with a west wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 67 °F

    Mostly Sunny
    and Breezy
    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 44. West wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.

    Low: 44 °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

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

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

    High: 66 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 47. Breezy, with a west southwest wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 67. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
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 47. Breezy, with a west wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 67. Breezy, with a west wind 5 to 15 mph, with gusts as high as 24 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 44. West wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67. Breezy.
Friday Night
Partly cloudy, with a low around 46.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Arapahoe Peak CO
 40.02°N 105.59°W (Elev. 10997 ft)
Last Update:
12:46 pm MDT Aug 22, 2026
Forecast Valid:
6pm MDT Aug 22, 2026-6pm MDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation