National Weather Service Forecast for: Santa Rosa CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:26 am PDT May 4, 2026
 
Today

Today: A 40 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

 Tonight

Tonight: Rain, mainly before 1am. Patchy fog after 3am. Low around 51. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Rain and
Patchy Fog
 Tuesday

Tuesday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Patchy Fog
then Mostly
Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. West southwest wind 5 to 7 mph becoming calm in the evening.
Patchy Fog

 Wednesday

Wednesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming west southwest around 6 mph in the afternoon.
Areas Fog
then Sunny
 Wednesday
Night
Wednesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 49.
Patchy Fog

 Thursday

Thursday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 75.
Areas Fog
then Sunny
 Thursday
Night
Thursday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 47.
Mostly Clear
then Patchy
Fog
 Friday

Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80.
Patchy Fog
then Sunny
Hi 64 °F Lo 51 °F Hi 69 °F Lo 50 °F Hi 74 °F Lo 49 °F Hi 75 °F Lo 47 °F Hi 80 °F

 

Today
 
 A 40 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
 Rain, mainly before 1am. Patchy fog after 3am. Low around 51. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
 
 Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
 
 Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. West southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
 Areas of fog before 10am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
 
 Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 49.
Thursday
 
 Areas of fog before 10am. Otherwise, mostly sunny, with a high near 75.
Thursday Night
 
 Patchy fog after 2am. Otherwise, mostly clear, with a low around 47.
Friday
 
 Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80.
Friday Night
 
 Patchy fog after 5am. Otherwise, clear, with a low around 50.
Saturday
 
 Patchy fog. Otherwise, sunny, with a high near 86.
Saturday Night
 
 Clear, with a low around 53.
Sunday
 
 Sunny, with a high near 90.

 

Forecast from NOAA-NWS for Santa Rosa CA.