Local Weather

NWS Forecast for Grass Valley CA
National Weather Service Forecast for: Grass Valley CA
Issued by: National Weather Service Sacramento, CA
Updated: 5:21 pm PDT Sep 2, 2025
 
Tonight

Tonight: A slight chance of showers and thunderstorms between 7pm and 8pm.  Mostly clear, with a low around 64. East southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.
Low: 64 °F
Wednesday

Wednesday: Areas of smoke before 1pm. Sunny, with a high near 90. Calm wind becoming west southwest around 5 mph.
High: 90 °F
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 66. Light and variable wind.
Low: 66 °F
Thursday

Thursday: Sunny, with a high near 89. Calm wind becoming west southwest around 5 mph in the afternoon.
High: 89 °F
Thursday
Night
Thursday Night: Mostly clear, with a low around 62. Light and variable wind.
Low: 62 °F
Friday

Friday: Sunny, with a high near 83.
High: 83 °F
Friday
Night
Friday Night: Mostly clear, with a low around 58.
Low: 58 °F
Saturday

Saturday: Sunny, with a high near 79.
High: 79 °F
Saturday
Night
Saturday Night: Mostly clear, with a low around 57.
Low: 57 °F
Slight Chance
T-storms then
Mostly Clear
Areas Smoke

Mostly Clear

Sunny

Mostly Clear

Sunny

Mostly Clear

Sunny

Mostly Clear

 

Tonight
 
A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 64. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
 
Areas of smoke before 1pm. Sunny, with a high near 90. Calm wind becoming west southwest around 5 mph.
Wednesday Night
 
Mostly clear, with a low around 66. Light and variable wind.
Thursday
 
Sunny, with a high near 89. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
 
Mostly clear, with a low around 62. Light and variable wind.
Friday
 
Sunny, with a high near 83.
Friday Night
 
Mostly clear, with a low around 58.
Saturday
 
Sunny, with a high near 79.
Saturday Night
 
Mostly clear, with a low around 57.
Sunday
 
Sunny, with a high near 80.
Sunday Night
 
Mostly clear, with a low around 56.
Monday
 
Sunny, with a high near 79.
Monday Night
 
Mostly clear, with a low around 56.
Tuesday
 
Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Grass Valley CA.