National Weather Service Forecast for: Santa Rosa CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 5:12 am PDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 92. Calm wind.
Sunny
 Tonight

Tonight: Clear, with a low around 59. Calm wind.
Clear
 Friday

Friday: Sunny, with a high near 90. Light and variable wind.
Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 58. Light and variable wind.
Partly Cloudy
 Saturday

Saturday: Partly sunny, with a high near 85. Calm wind becoming west northwest around 6 mph in the afternoon.
Partly Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 51.
Mostly Clear
 Sunday

Sunday: Mostly sunny, with a high near 81.
Mostly Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 48.
Mostly Clear
 Monday

Monday: Mostly sunny, with a high near 81.
Mostly Sunny
Hi 92 °F Lo 59 °F Hi 90 °F Lo 58 °F Hi 85 °F Lo 51 °F Hi 81 °F Lo 48 °F Hi 81 °F

Heat Advisory
 

This Afternoon
 
 Sunny, with a high near 92. Calm wind.
Tonight
 
 Clear, with a low around 59. Calm wind.
Friday
 
 Sunny, with a high near 90. Light and variable wind.
Friday Night
 
 Partly cloudy, with a low around 58. Light and variable wind.
Saturday
 
 Partly sunny, with a high near 85. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 51.
Sunday
 
 Mostly sunny, with a high near 81.
Sunday Night
 
 Mostly clear, with a low around 48.
Monday
 
 Mostly sunny, with a high near 81.
Monday Night
 
 Mostly clear, with a low around 50.
Tuesday
 
 Sunny, with a high near 81.
Tuesday Night
 
 Mostly clear, with a low around 50.
Wednesday
 
 Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Santa Rosa CA.