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.

Light Drizzle

52°F

11°C

Humidity 85%
Wind Speed Calm
Barometer 30.41 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 10 Oct 5:35 pm MDT
Extended Forecast for

Grand Lake CO

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 55. South southwest wind around 7 mph. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 3am. Cloudy, with a low around 39. South wind 3 to 6 mph.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 58. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 35. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of rain showers before 9am, then a chance of rain and snow showers. Partly sunny, with a high near 50. Breezy, with a west wind 10 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: A 20 percent chance of showers after noon. Partly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before midnight. Partly cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Mostly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 55. South southwest wind around 7 mph. Chance of precipitation is 60%.
Tonight
A 40 percent chance of showers, mainly before 3am. Cloudy, with a low around 39. South wind 3 to 6 mph.
Saturday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 58. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 35. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday
A chance of rain showers before 9am, then a chance of rain and snow showers. Partly sunny, with a high near 50. Breezy, with a west wind 10 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 26.
Columbus Day
A 20 percent chance of showers after noon. Partly sunny, with a high near 54.
Monday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 30.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 34.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 58.
Thursday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 30.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.23°N 105.85°W (Elev. 8369 ft)
Last Update:
2:26 pm MDT Oct 10, 2025
Forecast Valid:
5pm MDT Oct 10, 2025-6pm MDT Oct 17, 2025
 
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