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.

Overcast

73°F

23°C

Humidity 36%
Wind Speed N 13 mph
Barometer 30.49 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 25 Aug 4:55 pm MDT
Extended Forecast for

13 Miles N Silverthorne CO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 71. Northwest wind around 8 mph.

    High: 71 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Northwest wind 5 to 7 mph becoming south in the evening.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Northwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday 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 50. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Breezy.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 71. Northwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 49. Northwest wind 5 to 7 mph becoming south in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 49. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday 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 50. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Breezy.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 71.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles N Silverthorne CO
 39.84°N 106.07°W (Elev. 8796 ft)
Last Update:
12:46 pm MDT Aug 25, 2026
Forecast Valid:
5pm MDT Aug 25, 2026-6pm MDT Sep 1, 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