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

46°F

8°C

Humidity 80%
Wind Speed Calm
Barometer 30.39 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 2 Sep 1:35 am MDT
Extended Forecast for

4 Miles N Grand Lake CO

  • Overnight

    Overnight: Mostly clear, with a low around 40. South southwest wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Southwest wind 6 to 14 mph, with gusts as high as 26 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. Southwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 23 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 40. South southwest wind around 6 mph.
Wednesday
Sunny, with a high near 66. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 40. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 68. Southwest wind 6 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 40. Southwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 23 mph.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Sunday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 67.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 68.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Grand Lake CO
 40.32°N 105.8°W (Elev. 9596 ft)
Last Update:
12:46 am MDT Sep 2, 2026
Forecast Valid:
2am MDT Sep 2, 2026-6pm MDT Sep 8, 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