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

45°F

7°C

Humidity 31%
Wind Speed SE 9 mph
Barometer 30.24 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 20 Apr 9:15 pm MDT
Extended Forecast for

6 Miles WNW Arapahoe Peak CO

  • Tonight

    Tonight: Mostly clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 58. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 58 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. South wind around 6 mph becoming west southwest after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 55. Breezy, with a west southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 24. Breezy, with a west wind 18 to 22 mph, with gusts as high as 32 mph.

    Low: 24 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday

    Thursday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 36. Breezy. Chance of precipitation is 60%.

    High: 36 °F

    Snow Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Chance Snow
    Showers and
    Breezy

  • Friday

    Friday: Snow showers. Some thunder is also possible. Mostly cloudy, with a high near 39. Breezy.

    High: 39 °F

    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Snow Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Light and variable wind.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 58. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 35. South wind around 6 mph becoming west southwest after midnight.
Wednesday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 55. Breezy, with a west southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 24. Breezy, with a west wind 18 to 22 mph, with gusts as high as 32 mph.
Thursday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 36. Breezy. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 21. Breezy.
Friday
Snow showers. Some thunder is also possible. Mostly cloudy, with a high near 39. Breezy.
Friday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 18.
Saturday
Snow showers. Some thunder is also possible. Mostly cloudy, with a high near 36.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 20.
Sunday
Snow showers. Some thunder is also possible. Mostly cloudy, with a high near 35.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 21.
Monday
Snow showers. Some thunder is also possible. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Arapahoe Peak CO
 40.06°N 105.74°W (Elev. 10095 ft)
Last Update:
12:47 pm MDT Apr 20, 2026
Forecast Valid:
9pm MDT Apr 20, 2026-6pm MDT Apr 27, 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