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

65°F

18°C

Humidity 31%
Wind Speed Calm
Barometer 30.49 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 9 Oct 4:55 pm MDT
Extended Forecast for

2 Miles NNE Arapahoe Peak CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 44. Southwest wind around 8 mph.

    High: 44 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 45. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 45 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 35. West wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 43. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 43 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A 40 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 37. Windy.

    High: 37 °F

    Chance Snow
    Showers and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. Breezy.

    Low: 22 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Columbus Day

    Columbus Day: A slight chance of snow showers after noon. Mostly sunny, with a high near 34. Breezy.

    High: 34 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Snow
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 44. Southwest wind around 8 mph.
Tonight
Mostly cloudy, with a low around 36. South wind 8 to 10 mph, with gusts as high as 16 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 45. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35. West wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday
Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 43. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 32. Breezy.
Sunday
A 40 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 37. Windy.
Sunday Night
Mostly clear, with a low around 22. Breezy.
Columbus Day
A slight chance of snow showers after noon. Mostly sunny, with a high near 34. Breezy.
Monday Night
A chance of snow showers, mainly before midnight. Partly cloudy, with a low around 25.
Tuesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 42.
Tuesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 29.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 43.
Wednesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 26.
Thursday
A slight chance of snow showers. Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Arapahoe Peak CO
 40.07°N 105.63°W (Elev. 11532 ft)
Last Update:
2:30 pm MDT Oct 9, 2025
Forecast Valid:
5pm MDT Oct 9, 2025-6pm MDT Oct 16, 2025
 
Forecast Discussion
 
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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