National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

24°F

-4°C

Humidity 62%
Wind Speed E 3 mph
Barometer 30.68 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 17 Oct 8:15 am MDT
Extended Forecast for

3 Miles SSW Grand Lake CO

  • Today

    Today: Sunny, with a high near 60. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Southwest wind around 5 mph becoming light and variable after midnight.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Calm wind becoming west around 6 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. East wind 5 to 7 mph becoming calm after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 60. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 24. Southwest wind around 5 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 61. Calm wind becoming west around 6 mph.
Sunday Night
Mostly cloudy, with a low around 29. East wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 60. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 33.
Thursday
A chance of showers. Partly sunny, with a high near 63.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 31.
Friday
Rain and snow showers likely. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Grand Lake CO
 40.21°N 105.84°W (Elev. 8399 ft)
Last Update:
12:46 am MDT Oct 17, 2026
Forecast Valid:
8am MDT Oct 17, 2026-6pm MDT Oct 23, 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