National Weather Service Forecast for: Sonoma CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 3:06 pm PST Nov 1, 2026
 
Tonight

Tonight: Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 42. Calm wind.
Clear then
Patchy Fog

 Monday

Monday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 66. Calm wind becoming south around 5 mph.
Patchy Fog
then Mostly
Cloudy

 Monday
Night
Monday Night: A 40 percent chance of showers after 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Chance
Showers and
Patchy Fog
 Tuesday

Tuesday: Showers, mainly before 4pm. Areas of fog before 10am. High near 62. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers and
Areas Fog

 Tuesday
Night
Tuesday Night: A 30 percent chance of showers before 10pm. Patchy fog before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Chance
Showers and
Patchy Fog
then Patchy
Fog
 Wednesday

Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68.
Patchy Fog
then Mostly
Sunny

 Wednesday
Night
Wednesday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 44.
Partly Cloudy
then Patchy
Fog

 Thursday

Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71.
Patchy Fog
then Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 43.
Mostly Clear
Lo 42 °F Hi 66 °F Lo 44 °F Hi 62 °F Lo 43 °F Hi 68 °F Lo 44 °F Hi 71 °F Lo 43 °F

 

Tonight
 
 Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 42. Calm wind.
Monday
 
 Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 66. Calm wind becoming south around 5 mph.
Monday Night
 
 A 40 percent chance of showers after 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Showers, mainly before 4pm. Areas of fog before 10am. High near 62. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 A 30 percent chance of showers before 10pm. Patchy fog before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Wednesday
 
 Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68.
Wednesday Night
 
 Patchy fog after 4am. Otherwise, partly cloudy, with a low around 44.
Thursday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71.
Thursday Night
 
 Mostly clear, with a low around 43.
Friday
 
 Sunny, with a high near 74.
Friday Night
 
 Mostly clear, with a low around 45.
Saturday
 
 Sunny, with a high near 75.
Saturday Night
 
 Partly cloudy, with a low around 45.
Sunday
 
 Mostly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Sonoma CA.