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

51°F

11°C

Humidity 72%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 Jul 8:15 am MDT
Extended Forecast for

Granby CO

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 79. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    High: 79 °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. Partly cloudy, with a low around 41. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.

    High: 79 °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 42.

    Low: 42 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 79. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Wednesday 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. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Saturday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Granby CO
 40.09°N 105.92°W (Elev. 8159 ft)
Last Update:
4:01 am MDT Jul 15, 2025
Forecast Valid:
8am 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