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

69°F

21°C

Humidity 16%
Wind Speed SW 10 mph
Barometer 30.30 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 13 Jun 10:15 am MDT
Extended Forecast for

Grand Lake CO

  • Today

    Today: Mostly sunny, with a high near 72. West wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Northeast wind 7 to 10 mph becoming east southeast in the evening. Winds could gust as high as 16 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 66. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. Breezy, with a light west wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Breezy.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Breezy.

    High: 75 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. Windy.

    Low: 44 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Windy.

    High: 80 °F

    Sunny and
    Windy

Detailed Forecast

Today
Mostly sunny, with a high near 72. West wind 7 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 40. Northeast wind 7 to 10 mph becoming east southeast in the evening. Winds could gust as high as 16 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 66. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 37. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 70. Breezy, with a light west wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 39. Breezy.
Tuesday
Sunny, with a high near 75. Breezy.
Tuesday Night
Mostly clear, with a low around 44. Windy.
Wednesday
Sunny, with a high near 80. Windy.
Wednesday Night
Mostly clear, with a low around 42. Windy.
Thursday
Sunny, with a high near 79. Breezy.
Thursday Night
Mostly clear, with a low around 44. Breezy.
Juneteenth
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.23°N 105.82°W (Elev. 9199 ft)
Last Update:
1:02 am MDT Jun 13, 2026
Forecast Valid:
10am MDT Jun 13, 2026-6pm MDT Jun 19, 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