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Local Weather

NWS Forecast for Grass Valley CA
National Weather Service Forecast for: Grass Valley CA
Issued by: National Weather Service Sacramento, CA
Updated: 11:31 pm PDT Sep 20, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 58. Calm wind.
Low: 58 °F		 Monday

Monday: Sunny, with a high near 78. Calm wind becoming west southwest around 5 mph.
High: 78 °F		 Monday
Night
Monday Night: Mostly clear, with a low around 55. Calm wind.
Low: 55 °F		 Tuesday

Tuesday: Sunny, with a high near 79. Light and variable wind.
High: 79 °F		 Tuesday
Night
Tuesday Night: Clear, with a low around 56. Calm wind.
Low: 56 °F		 Wednesday

Wednesday: Sunny, with a high near 85.
High: 85 °F		 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 58.
Low: 58 °F		 Thursday

Thursday: Sunny, with a high near 86.
High: 86 °F		 Thursday
Night
Thursday Night: Partly cloudy, with a low around 60.
Low: 60 °F
Mostly Cloudy
 Sunny
 Mostly Clear
 Sunny
 Clear
 Sunny
 Mostly Clear
 Sunny
 Partly Cloudy

 

Tonight
 
 Mostly cloudy, with a low around 58. Calm wind.
Monday
 
 Sunny, with a high near 78. Calm wind becoming west southwest around 5 mph.
Monday Night
 
 Mostly clear, with a low around 55. Calm wind.
Tuesday
 
 Sunny, with a high near 79. Light and variable wind.
Tuesday Night
 
 Clear, with a low around 56. Calm wind.
Wednesday
 
 Sunny, with a high near 85.
Wednesday Night
 
 Mostly clear, with a low around 58.
Thursday
 
 Sunny, with a high near 86.
Thursday Night
 
 Partly cloudy, with a low around 60.
Friday
 
 Sunny, with a high near 78.
Friday Night
 
 Mostly clear, with a low around 56.
Saturday
 
 Sunny, with a high near 79.
Saturday Night
 
 Mostly clear, with a low around 54.
Sunday
 
 Sunny, with a high near 76.

 

Forecast from NOAA-NWS for Grass Valley CA.