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 69%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 15 Jul 8:35 am MDT
Extended Forecast for

3 Miles WSW Arapahoe Peak CO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 63. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 63 °F

    Breezy. Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: 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. West northwest wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Increasing clouds, with a high near 61. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 61 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 44. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 62. Light west southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    High: 62 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 63. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tonight
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. West northwest wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely after noon. Increasing clouds, with a high near 61. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 44. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 62. Light west southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Thursday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.
Friday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 62.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.
Saturday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 61.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 61.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Arapahoe Peak CO
 40.02°N 105.71°W (Elev. 11135 ft)
Last Update:
4:01 am MDT Jul 15, 2025
Forecast Valid:
9am MDT Jul 15, 2025-6pm MDT Jul 21, 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