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

35°F

2°C

Humidity 50%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 21 Apr 12:35 am MDT
Extended Forecast for

Grand Lake CO

  • Overnight

    Overnight: Mostly clear, with a low around 32. Light east northeast wind.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Calm wind becoming south around 6 mph in the afternoon.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 64. Breezy, with a light south southwest wind becoming southwest 16 to 21 mph in the morning. Winds could gust as high as 33 mph.

    High: 64 °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 23. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance Snow
    Showers

  • Thursday

    Thursday: A 50 percent chance of snow showers. Partly sunny, with a high near 46. Breezy.

    High: 46 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. Breezy.

    Low: 22 °F

    Chance Snow
    Showers and
    Breezy

  • Friday

    Friday: Snow showers likely. Mostly cloudy, with a high near 48. Breezy.

    High: 48 °F

    Snow Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 20. Breezy.

    Low: 20 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Light east northeast wind.
Tuesday
Sunny, with a high near 68. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 35. Light and variable wind.
Wednesday
Sunny, with a high near 64. Breezy, with a light south southwest wind becoming southwest 16 to 21 mph in the morning. Winds could gust as high as 33 mph.
Wednesday Night
A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 23. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Thursday
A 50 percent chance of snow showers. Partly sunny, with a high near 46. Breezy.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. Breezy.
Friday
Snow showers likely. Mostly cloudy, with a high near 48. Breezy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Breezy.
Saturday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 49.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
Sunday
Rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 49.
Sunday Night
Rain and snow showers likely. Mostly cloudy, with a low around 22.
Monday
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
Last Update:
12:46 am MDT Apr 21, 2026
Forecast Valid:
12am MDT Apr 21, 2026-6pm MDT Apr 27, 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