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

33°F

1°C

Humidity 71%
Wind Speed E 3 mph
Barometer 30.50 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 9 Oct 5:15 am MDT
Extended Forecast for

East Portal CO

  • Today

    Today: A 20 percent chance of showers after 3pm. Increasing clouds, with a high near 56. West wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

    High: 56 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Southwest wind 5 to 8 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 51. South southwest wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 50%.

    High: 51 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 40. Light south southwest wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 22 mph.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 51. West wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 51 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A chance of rain and snow showers before noon, then a slight chance of snow showers. Mostly sunny, with a high near 45. Windy. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 3pm. Increasing clouds, with a high near 56. West wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 40. Southwest wind 5 to 8 mph.
Friday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 51. South southwest wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40. Light south southwest wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 22 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 51. West wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 37. Breezy.
Sunday
A chance of rain and snow showers before noon, then a slight chance of snow showers. Mostly sunny, with a high near 45. Windy. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 28.
Columbus Day
Mostly sunny, with a high near 45.
Monday Night
A slight chance of rain and snow showers after midnight. Partly cloudy, with a low around 31.
Tuesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 49.
Tuesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 31.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Portal CO
 39.91°N 105.64°W (Elev. 10397 ft)
Last Update:
4:26 am MDT Oct 9, 2025
Forecast Valid:
5am MDT Oct 9, 2025-6pm MDT Oct 15, 2025
 
Forecast Discussion
 
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Additional Resources

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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