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

50°F

10°C

Humidity 24%
Wind Speed SE 5 mph
Barometer 30.45 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 17 Oct 7:15 pm MDT
Extended Forecast for

5 Miles SW Grand Lake CO

  • Tonight

    Tonight: Mostly clear, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Calm wind becoming southwest around 5 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. East northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 36 °F

    Partly Cloudy

  • Monday

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

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Light and variable wind.
Sunday
Mostly sunny, with a high near 61. Calm wind becoming southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 36. East northeast wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 61. Calm wind becoming west southwest around 6 mph.
Monday Night
Partly cloudy, with a low around 37. Calm wind.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A chance of showers after noon. Partly sunny, with a high near 63.
Thursday Night
Showers likely. Mostly cloudy, with a low around 41.
Friday
Showers likely. Mostly cloudy, with a high near 58.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 37.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Grand Lake CO
 40.18°N 105.87°W (Elev. 8314 ft)
Last Update:
12:46 pm MDT Oct 17, 2026
Forecast Valid:
7pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation