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.

Partly Cloudy

73°F

23°C

Humidity 33%
Wind Speed NW 7 mph
Barometer 30.51 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 8 Jul 10:55 am MDT
Extended Forecast for

Arapahoe Peak CO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 57. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 57 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 40. West southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 57. Breezy, with a west wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 57 °F

    Sunny then
    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday 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 38. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 55. West wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 55 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. Breezy.

    Low: 40 °F

    Partly Cloudy
    then Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 59. Breezy.

    High: 59 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. Breezy.

    Low: 43 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 62. Windy.

    High: 62 °F

    Sunny and
    Windy

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 57. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 40. West southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 57. Breezy, with a west wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Thursday 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 38. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 55. West wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly clear, with a low around 40. Breezy.
Saturday
Sunny, with a high near 59. Breezy.
Saturday Night
Mostly clear, with a low around 43. Breezy.
Sunday
Sunny, with a high near 62. Windy.
Sunday Night
Mostly clear, with a low around 43. Windy.
Monday
Sunny, with a high near 64. Breezy.
Monday Night
Mostly clear, with a low around 45. Breezy.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 63. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
12:46 am MDT Jul 8, 2026
Forecast Valid:
11am MDT Jul 8, 2026-6pm MDT Jul 14, 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