National Weather Service Forecast for: Grass Valley CA
Issued by: National Weather Service Sacramento, CA
Updated: 5:21 pm PDT Jun 17, 2025
 
Tonight

Tonight: Clear, with a low around 61. Calm wind.
Clear
 Wednesday

Wednesday: Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 63. West wind around 5 mph becoming calm in the evening.
Clear
 Juneteenth

Juneteenth: Sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunny
 Thursday
Night
Thursday Night: Clear, with a low around 52. South southwest wind 5 to 7 mph becoming calm in the evening.
Clear
 Friday

Friday: Sunny, with a high near 74.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 45.
Clear
 Saturday

Saturday: Sunny, with a high near 71.
Sunny
 Saturday
Night
Saturday Night: Clear, with a low around 50.
Clear
Lo 61 °F Hi 91 °F Lo 63 °F Hi 85 °F Lo 52 °F Hi 74 °F Lo 45 °F Hi 71 °F Lo 50 °F

 

Tonight
 
 Clear, with a low around 61. Calm wind.
Wednesday
 
 Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
 
 Clear, with a low around 63. West wind around 5 mph becoming calm in the evening.
Juneteenth
 
 Sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
 
 Clear, with a low around 52. South southwest wind 5 to 7 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 74.
Friday Night
 
 Clear, with a low around 45.
Saturday
 
 Sunny, with a high near 71.
Saturday Night
 
 Clear, with a low around 50.
Sunday
 
 Sunny, with a high near 77.
Sunday Night
 
 Clear, with a low around 53.
Monday
 
 Sunny, with a high near 81.
Monday Night
 
 Partly cloudy, with a low around 56.
Tuesday
 
 Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Grass Valley CA.