National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

40°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.52 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 31 Aug 1:35 am MDT
Extended Forecast for

Grand Lake CO

  • Overnight

    Overnight: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. North wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 34 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 71. Calm wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. Northeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.

    High: 68 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Calm wind.
Sunday
Sunny, with a high near 68. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 34. North wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Labor Day
Sunny, with a high near 71. Calm wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Mostly clear, with a low around 34. Northeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
Last Update:
12:40 am MDT Aug 31, 2025
Forecast Valid:
1am MDT Aug 31, 2025-6pm MDT Sep 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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