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

49°F

9°C

Humidity 51%
Wind Speed Calm
Barometer 30.40 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 8 Oct 10:35 pm MDT
Extended Forecast for

10 Miles NNE Silverthorne CO

  • Tonight

    Tonight: Mostly clear, with a low around 35. South southeast wind 5 to 7 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 67. South southeast wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 7pm. Mostly clear, with a low around 34. South southwest wind around 6 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 63. West southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 63 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. Southwest wind around 6 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 63.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers then
    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 35. South southeast wind 5 to 7 mph.
Friday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 67. South southeast wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 20 percent chance of showers before 7pm. Mostly clear, with a low around 34. South southwest wind around 6 mph, with gusts as high as 15 mph.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 63. West southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 36. Southwest wind around 6 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Sunday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 63.
Sunday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 38.
Columbus Day
Mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 35.
Tuesday
A chance of showers, mainly after noon. Mostly sunny, with a high near 62.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 32.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 53.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 28.
Thursday
A chance of snow showers. Partly sunny, with a high near 47.
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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 Oct 8, 2026
Forecast Valid:
10pm MDT Oct 8, 2026-6pm MDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation