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

55°F

13°C

Humidity 82%
Wind Speed E 5 mph
Barometer 30.25 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 13 Sep 9:35 pm MDT
Extended Forecast for

2 Miles N Arapahoe Peak CO

  • Tonight

    Tonight: A 50 percent chance of showers. Mostly cloudy, with a low around 42. Breezy, with a west southwest wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 34 mph.

    Low: 42 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 56. Windy, with a west wind 24 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 60%.

    High: 56 °F

    Windy.
    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 35. Breezy, with a west wind 16 to 21 mph becoming south southeast 5 to 10 mph after midnight. Winds could gust as high as 33 mph.

    Low: 35 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 53. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    High: 53 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 36. Southeast wind 5 to 9 mph becoming calm. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 55.

    High: 55 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 50 percent chance of showers. Mostly cloudy, with a low around 42. Breezy, with a west southwest wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 34 mph.
Monday
Showers likely, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 56. Windy, with a west wind 24 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 35. Breezy, with a west wind 16 to 21 mph becoming south southeast 5 to 10 mph after midnight. Winds could gust as high as 33 mph.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 53. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 36. Southeast wind 5 to 9 mph becoming calm. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 57.
Wednesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38.
Thursday
A slight chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 55.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 36.
Friday
A chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 54.
Friday Night
A chance of showers. Partly cloudy, with a low around 33.
Saturday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 53.
Saturday Night
A slight chance of rain and snow showers. Some thunder is also possible. Partly cloudy, with a low around 32.
Sunday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Arapahoe Peak CO
 40.04°N 105.65°W (Elev. 11270 ft)
Last Update:
12:46 pm MDT Sep 13, 2026
Forecast Valid:
9pm MDT Sep 13, 2026-6pm MDT Sep 20, 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