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

52°F

11°C

Humidity 50%
Wind Speed Calm
Barometer 30.49 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 8 Oct 10:15 am MDT
Extended Forecast for

3 Miles W Arapahoe Peak CO

  • Today

    Today: A slight chance of showers between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 55. West northwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 55 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Mostly clear, with a low around 37. Southwest wind 3 to 6 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Clear

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Sunny, with a high near 54. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 54 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 51. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 51 °F

    Sunny then
    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: A slight chance of showers. Mostly sunny, with a high near 50. Breezy.

    High: 50 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Today
A slight chance of showers between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 55. West northwest wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers before 8pm. Mostly clear, with a low around 37. Southwest wind 3 to 6 mph.
Friday
A 20 percent chance of showers after 2pm. Sunny, with a high near 54. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 38. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 51. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 50.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 38.
Columbus Day
A slight chance of showers. Mostly sunny, with a high near 50. Breezy.
Monday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 35.
Tuesday
A chance of showers. Mostly sunny, with a high near 48.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34.
Wednesday
A chance of snow showers. Partly sunny, with a high near 43. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Arapahoe Peak CO
 40.02°N 105.71°W (Elev. 11135 ft)
Last Update:
12:46 am MDT Oct 8, 2026
Forecast Valid:
10am MDT Oct 8, 2026-6pm MDT Oct 14, 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