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.

Mostly Cloudy

55°F

13°C

Humidity 51%
Wind Speed NW 5 mph
Barometer 30.13 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 12 Oct 9:55 am MDT
Extended Forecast for

East Portal CO

  • Columbus Day

    Columbus Day: Sunny, with a high near 55. Breezy, with a west southwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 55 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. West southwest wind 3 to 6 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and 3pm, then a chance of rain showers after 3pm. Partly sunny, with a high near 50. West wind 5 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow showers, becoming all snow after 3am. Some thunder is also possible. Low around 31. Light east wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow showers. Some thunder is also possible. High near 37. East wind 5 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

    High: 37 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before midnight. Low around 27. Chance of precipitation is 80%.

    Low: 27 °F

    Snow Showers
    then Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers likely, mainly before noon. Partly sunny, with a high near 37. Chance of precipitation is 60%.

    High: 37 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of snow showers before midnight. Partly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Columbus Day
Sunny, with a high near 55. Breezy, with a west southwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 37 mph.
Tonight
Mostly clear, with a low around 34. West southwest wind 3 to 6 mph.
Tuesday
A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and 3pm, then a chance of rain showers after 3pm. Partly sunny, with a high near 50. West wind 5 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow showers, becoming all snow after 3am. Some thunder is also possible. Low around 31. Light east wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers. Some thunder is also possible. High near 37. East wind 5 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Wednesday Night
Snow showers, mainly before midnight. Low around 27. Chance of precipitation is 80%.
Thursday
Snow showers likely, mainly before noon. Partly sunny, with a high near 37. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers before midnight. Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 49. Breezy.
Saturday Night
Mostly clear, with a low around 31. Breezy.
Sunday
Mostly sunny, with a high near 50. Breezy.
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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:
12:46 am MDT Oct 12, 2026
Forecast Valid:
10am MDT Oct 12, 2026-6pm MDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation