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

72°F

22°C

Humidity 31%
Wind Speed NW 14 mph
Barometer 30.39 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Aug 8:15 pm MDT
Extended Forecast for

11 Miles N Silverthorne CO

  • Tonight

    Tonight: Mostly clear, with a low around 44. West northwest wind around 6 mph becoming south in the evening.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. South wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Northwest wind 5 to 8 mph becoming south southeast in the evening.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 46. North northeast wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 16 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 44. West northwest wind around 6 mph becoming south in the evening.
Thursday
Sunny, with a high near 74. South wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 45. Northwest wind 5 to 8 mph becoming south southeast in the evening.
Friday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Friday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 46. North northeast wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 16 mph.
Saturday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 73. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 69.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Monday
Showers and thunderstorms likely after noon. Mostly sunny, with a high near 70.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Silverthorne CO
 39.82°N 106.03°W (Elev. 9800 ft)
Last Update:
12:46 pm MDT Aug 19, 2026
Forecast Valid:
8pm MDT Aug 19, 2026-6pm MDT Aug 26, 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