National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Nevada County Air Park (KGOO)

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

Mostly Cloudy

55°F

13°C

Humidity 50%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Nov 01:15 AM PST
Extended Forecast for

Grass Valley CA

  • Overnight

    Overnight: Clear, with a steady temperature around 49. Light east wind.

    Low: 49 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. East southeast wind 3 to 5 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 70. East wind around 5 mph becoming south southwest in the afternoon.

    High: 70 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain likely after 4am. Partly cloudy, with a low around 47. Light east southeast wind. Chance of precipitation is 60%.

    Low: 47 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm. High near 54. Chance of precipitation is 100%.

    High: 54 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 7pm, then rain, mainly after 7pm. Low around 41. Chance of precipitation is 100%.

    Low: 41 °F

    Showers then
    Rain Likely

  • Saturday

    Saturday: A chance of rain, mainly before 4pm. Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 10pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a steady temperature around 49. Light east wind.
Veterans Day
Sunny, with a high near 72. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 49. East southeast wind 3 to 5 mph.
Thursday
Increasing clouds, with a high near 70. East wind around 5 mph becoming south southwest in the afternoon.
Thursday Night
Rain likely after 4am. Partly cloudy, with a low around 47. Light east southeast wind. Chance of precipitation is 60%.
Friday
Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm. High near 54. Chance of precipitation is 100%.
Friday Night
Showers and possibly a thunderstorm before 7pm, then rain, mainly after 7pm. Low around 41. Chance of precipitation is 100%.
Saturday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 51.
Saturday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 39.
Sunday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 52.
Sunday Night
Rain. Cloudy, with a low around 40.
Monday
Rain. Mostly cloudy, with a high near 47.
Monday Night
A chance of rain. Mostly cloudy, with a low around 34.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
Last Update:
1:01 am PST Nov 11, 2026
Forecast Valid:
1am PST Nov 11, 2026-6pm PST Nov 17, 2026
 
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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