Current conditions at

Nevada County Air Park (KGOO)

Lat: 39.224028°NLon: 121.003083°WElev: 3154.0ft.

Clear

84°F

29°C

Humidity 17%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 01 Oct 05:35 PM PDT
Extended Forecast for

Grass Valley CA

Heat Advisory October 3, 11:00am until October 5, 10:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Widespread haze before 10am. Patchy smoke between 8am and 10am. Increasing clouds, with a high near 89. East wind around 6 mph becoming calm  in the morning.

    High: 89 °F

    Haze then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 92. East northeast wind around 6 mph becoming calm  in the morning.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Calm wind becoming east northeast around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Light and variable wind.
Friday
Widespread haze before 10am. Patchy smoke between 8am and 10am. Increasing clouds, with a high near 89. East wind around 6 mph becoming calm in the morning.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Light and variable wind.
Saturday
Sunny, with a high near 92. East northeast wind around 6 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 63. Calm wind becoming east northeast around 5 mph.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Sunny, with a high near 93.
Monday Night
Clear, with a low around 63.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Clear, with a low around 63.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.05°W (Elev. 2657 ft)
2:00 pm PDT Oct 1, 2026
5pm PDT Oct 1, 2026-6pm PDT Oct 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database