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

45°F

7°C

Humidity 22%
Wind Speed E 5 mph
Barometer 30.33 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 19 Apr 10:55 am MDT
Extended Forecast for

Grand Lake CO

  • Today

    Today: Sunny, with a high near 56. West southwest wind 6 to 8 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 62. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

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

    Low: 34 °F

    Partly Cloudy

  • Wednesday

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

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before 9pm, then a slight chance of snow showers. Partly cloudy, with a low around 25. Windy.

    Low: 25 °F

    Slight Chance
    Rain/Snow and
    Windy

  • Thursday

    Thursday: A chance of snow showers. Partly sunny, with a high near 49. Breezy.

    High: 49 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 56. West southwest wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 27. West northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 62. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 30. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers after noon. Sunny, with a high near 69. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 63. Breezy.
Wednesday Night
A slight chance of rain showers before 9pm, then a slight chance of snow showers. Partly cloudy, with a low around 25. Windy.
Thursday
A chance of snow showers. Partly sunny, with a high near 49. Breezy.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Breezy.
Friday
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 48.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
Last Update:
2:31 am MDT Apr 19, 2026
Forecast Valid:
11am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
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