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.

Overcast

66°F

19°C

Humidity 37%
Wind Speed SW 13 G 17 mph
Barometer 30.22 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 14 Sep 6:15 pm MDT
Extended Forecast for

East Portal CO

  • Tonight

    Tonight: A 40 percent chance of showers. Mostly cloudy, with a low around 40. Breezy, with a west wind 12 to 17 mph becoming south 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 40 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59. South wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 59 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. South southeast wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after noon. High near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.

    High: 59 °F

    Mostly Cloudy
    then Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. South wind around 6 mph becoming west after midnight. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 59. Chance of precipitation is 80%.

    High: 59 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59.

    High: 59 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers. Mostly cloudy, with a low around 40. Breezy, with a west wind 12 to 17 mph becoming south 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59. South wind 5 to 8 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. South southeast wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Wednesday
Showers and possibly a thunderstorm after noon. High near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. South wind around 6 mph becoming west after midnight. Chance of precipitation is 40%.
Thursday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 59. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59.
Friday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 56.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 37.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 54.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 36.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Portal CO
 39.91°N 105.64°W (Elev. 10397 ft)
Last Update:
12:46 pm MDT Sep 14, 2026
Forecast Valid:
6pm MDT Sep 14, 2026-6pm MDT Sep 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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