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

75°F

24°C

Humidity 19%
Wind Speed SE 7 mph
Barometer 30.32 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 9 Jul 2:35 pm MDT
Extended Forecast for

4 Miles S Grand Lake CO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. West southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 76 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 40. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 40 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 41. North northeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 41 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 82 °F

    Sunny

  • Saturday Night

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

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

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

    Low: 43 °F

    Mostly Clear
    and Breezy
    then Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. West southwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 40. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 78. Calm wind becoming north 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 41. North northeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 82. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 43. Breezy.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 85. Breezy.
Tuesday Night
Partly cloudy, with a low around 44. Breezy.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Grand Lake CO
 40.19°N 105.84°W (Elev. 8599 ft)
Last Update:
12:46 pm MDT Jul 9, 2026
Forecast Valid:
3pm MDT Jul 9, 2026-6pm MDT Jul 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation