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

53°F

12°C

Humidity 57%
Wind Speed Calm
Barometer 30.43 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 11 Jul 12:35 am MDT
Extended Forecast for

Guanella Pass CO

  • Overnight

    Overnight: Mostly clear, with a low around 38. South wind around 8 mph becoming west. Winds could gust as high as 15 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70. West wind 7 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 22 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Northeast wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 17 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 70. Breezy, with a southwest wind 5 to 10 mph becoming east 13 to 18 mph in the morning. Winds could gust as high as 31 mph.

    High: 70 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Breezy, with an east wind 8 to 17 mph becoming west southwest after midnight. Winds could gust as high as 30 mph.

    Low: 40 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 72. Breezy.

    High: 72 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Breezy.

    Low: 41 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Breezy.

    High: 71 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Breezy.

    Low: 39 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 38. South wind around 8 mph becoming west. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 70. West wind 7 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 40. Northeast wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 17 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 70. Breezy, with a southwest wind 5 to 10 mph becoming east 13 to 18 mph in the morning. Winds could gust as high as 31 mph.
Sunday Night
Mostly clear, with a low around 40. Breezy, with an east wind 8 to 17 mph becoming west southwest after midnight. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 72. Breezy.
Monday Night
Mostly clear, with a low around 41. Breezy.
Tuesday
Sunny, with a high near 71. Breezy.
Tuesday Night
Mostly clear, with a low around 39. Breezy.
Wednesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 70. Breezy.
Wednesday Night
Mostly clear, with a low around 40. Breezy.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 69. Breezy.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 40. Breezy.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Guanella Pass CO
 39.6°N 105.72°W (Elev. 11752 ft)
Last Update:
12:46 pm MDT Jul 10, 2026
Forecast Valid:
12am MDT Jul 11, 2026-6pm MDT Jul 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation