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

56°F

13°C

Humidity 12%
Wind Speed SW 14 G 26 mph
Barometer 30.29 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 19 Apr 1:35 pm MDT
Extended Forecast for

Grand Lake CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. West wind around 9 mph, with gusts as high as 16 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 68 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

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

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 63. Breezy.

    High: 63 °F

    Sunny then
    Slight Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 25. Windy.

    Low: 25 °F

    Chance
    Rain/Snow and
    Windy

  • Thursday

    Thursday: A chance of snow showers. Partly sunny, with a high near 47. Breezy.

    High: 47 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 56. West wind around 9 mph, with gusts as high as 16 mph.
Tonight
Mostly clear, with a low around 24. West northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 29. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 63. Breezy.
Wednesday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 25. Windy.
Thursday
A chance of snow showers. Partly sunny, with a high near 47. Breezy.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 22. 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 19.
Saturday
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 48.
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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:
12:47 pm MDT Apr 19, 2026
Forecast Valid:
2pm MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation