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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles S Arapahoe Peak CO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 66. West northwest wind around 10 mph, with gusts as high as 16 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. West wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 66 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 45. West wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Breezy, with a west wind 11 to 18 mph, with gusts as high as 30 mph.

    High: 64 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.

    High: 66 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. West northwest wind around 10 mph, with gusts as high as 16 mph.
Tonight
Partly cloudy, with a low around 46. West wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 45. West wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Breezy, with a west wind 11 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 66.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Breezy.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 64. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Arapahoe Peak CO
 40°N 105.65°W (Elev. 10614 ft)
Last Update:
12:46 pm MDT Aug 17, 2026
Forecast Valid:
3pm MDT Aug 17, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation