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.

Drizzle

56°F

13°C

Humidity 90%
Wind Speed Calm
Barometer 30.45 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 14 Aug 11:15 pm MDT
Extended Forecast for

10 Miles NNE Silverthorne CO

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers after 3am. Partly cloudy, with a low around 46. Light south southwest wind. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%.

    High: 70 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. West northwest wind around 6 mph becoming calm.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • 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 40. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers after 3am. Partly cloudy, with a low around 46. Light south southwest wind. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 42. West northwest wind around 6 mph becoming calm.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
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 40. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 74.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Silverthorne CO
 39.8°N 106.03°W (Elev. 8996 ft)
Last Update:
12:46 pm MDT Aug 14, 2026
Forecast Valid:
11pm MDT Aug 14, 2026-6pm MDT Aug 21, 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