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 23%
Wind Speed Calm
Barometer 30.43 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 6 Oct 12:55 pm MDT
Extended Forecast for

Grand Lake CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 73. Light and variable wind becoming west around 5 mph.

    High: 73 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 71. Calm wind becoming south southwest around 5 mph.

    High: 71 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 73. Light and variable wind becoming west around 5 mph.
Tonight
A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 71. Calm wind becoming south southwest around 5 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Light and variable wind.
Thursday
Sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
A chance of showers. Partly sunny, with a high near 64.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 35.
Columbus Day
A chance of showers. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
Last Update:
12:46 pm MDT Oct 6, 2026
Forecast Valid:
1pm MDT Oct 6, 2026-6pm MDT Oct 12, 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