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

53°F

12°C

Humidity 97%
Wind Speed Calm
Barometer 30.51 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Aug 1:35 am MDT
Extended Forecast for

2 Miles ENE Arapahoe Peak CO

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. Breezy, with a west wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 44 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 61. Breezy, with a west northwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.

    High: 61 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 60. Breezy, with a west northwest wind 7 to 17 mph, with gusts as high as 24 mph.

    High: 60 °F

    Mostly Sunny
    and Breezy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. West wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. Breezy, with a west wind 11 to 17 mph, with gusts as high as 26 mph.
Sunday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 61. Breezy, with a west northwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 60. Breezy, with a west northwest wind 7 to 17 mph, with gusts as high as 24 mph.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. West wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 39. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41. Breezy.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 61. Breezy.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42. Breezy.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 61. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Arapahoe Peak CO
 40.02°N 105.62°W (Elev. 11831 ft)
Last Update:
12:46 am MDT Aug 23, 2026
Forecast Valid:
1am MDT Aug 23, 2026-6pm MDT Aug 29, 2026
 
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