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

31°F

-1°C

Humidity 49%
Wind Speed SE 5 mph
Barometer 30.31 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 20 Apr 12:55 am MDT
Extended Forecast for

Grand Lake CO

  • Overnight

    Overnight: Mostly clear, with a low around 24. Light and variable wind.

    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.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 63. Breezy.

    High: 63 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 25. Breezy. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance Snow
    Showers

  • Thursday

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

    High: 49 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 22. Breezy.

    Low: 22 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 24. Light and variable wind.
Monday
Mostly sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 31. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 34. Light and variable wind.
Wednesday
Sunny, with a high near 63. Breezy.
Wednesday Night
A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 25. Breezy. Chance of precipitation is 30%.
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 22. Breezy.
Friday
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 49.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 20.
Saturday
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 48.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 20.
Sunday
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 48.
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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:
12:46 am MDT Apr 20, 2026
Forecast Valid:
1am MDT Apr 20, 2026-6pm MDT Apr 26, 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