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Current conditions at

Nevada County Air Park (KGOO)

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

Clear

43°F

6°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 Feb 05:55 PM PST
Extended Forecast for

4 Miles SE Grass Valley CA

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. Light east southeast wind.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Sunny, with a high near 56. South wind around 7 mph, with gusts as high as 18 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. East northeast wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 45. Light east southeast wind. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. The rain could be heavy at times. High near 52. Chance of precipitation is 100%.

    High: 52 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 47. Chance of precipitation is 100%.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. Light east southeast wind.
Sunday
Sunny, with a high near 56. South wind around 7 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 37. East northeast wind around 5 mph.
Monday
Mostly sunny, with a high near 62. Light and variable wind.
Monday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 45. Light east southeast wind. Chance of precipitation is 70%.
Tuesday
Rain. The rain could be heavy at times. High near 52. Chance of precipitation is 100%.
Tuesday Night
Rain. Low around 47. Chance of precipitation is 100%.
Wednesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A slight chance of rain. Mostly sunny, with a high near 64.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 67.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Saturday
A slight chance of rain. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Grass Valley CA
 39.19°N 121.01°W (Elev. 2477 ft)
Last Update:
1:21 pm PST Feb 21, 2026
Forecast Valid:
6pm PST Feb 21, 2026-6pm PST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation