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.

Partly Cloudy

55°F

13°C

Humidity 48%
Wind Speed Calm
Barometer 30.50 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 7 Jul 8:35 am MDT
Extended Forecast for

East Portal CO

  • Today

    Today: A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy smoke before 5pm. Partly sunny, with a high near 70. West northwest wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.

    High: 70 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Partly cloudy, with a low around 47. West wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 70. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 46. West northwest wind 5 to 8 mph becoming south southwest in the evening. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. West northwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 68 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.

    High: 69 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy smoke before 5pm. Partly sunny, with a high near 70. West northwest wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Partly cloudy, with a low around 47. West wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 70. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 46. West northwest wind 5 to 8 mph becoming south southwest in the evening. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. West northwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 76. Breezy.
Sunday Night
Mostly clear, with a low around 49. Breezy.
Monday
Sunny, with a high near 76. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
East Portal CO
 39.89°N 105.67°W (Elev. 10000 ft)
Last Update:
1:04 am MDT Jul 7, 2026
Forecast Valid:
8am MDT Jul 7, 2026-6pm MDT Jul 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation