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

44°F

7°C

Humidity 18%
Wind Speed SW 14 G 23 mph
Barometer 30.30 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 18 Apr 4:55 pm MDT
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. West northwest wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. West northwest wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon. Mostly sunny, with a high near 64. Breezy.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Breezy.

    Low: 26 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 57. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Mostly clear, with a low around 25. West northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 30. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 64. Breezy.
Wednesday Night
Partly cloudy, with a low around 26. Breezy.
Thursday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 47. Breezy.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Breezy.
Friday
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 47.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 20.
Saturday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
Last Update:
12:47 pm MDT Apr 18, 2026
Forecast Valid:
5pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation