National Weather Service Forecast for: Sebastopol CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:40 am PST Dec 5, 2025
 
Overnight

Overnight: Patchy fog.  Otherwise, partly cloudy, with a low around 38. Calm wind.
Patchy Fog

Friday

Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 62. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Patchy Fog
then Sunny
Friday
Night
Friday Night: Patchy dense fog before 3am, then patchy dense fog after 5am.  Otherwise, partly cloudy, with a low around 42. Light and variable wind.
Patchy Dense
Fog
Saturday

Saturday: Patchy fog before noon.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 64. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Patchy Fog
then Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 42. Northwest wind 3 to 7 mph.
Partly Cloudy

Sunday

Sunday: Partly sunny, with a high near 64.
Partly Sunny

Sunday
Night
Sunday Night: Partly cloudy, with a low around 43.
Partly Cloudy

Monday

Monday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 64.
Areas Fog
then Sunny
Monday
Night
Monday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 44.
Partly Cloudy
then Patchy
Fog
Lo 38 °F Hi 62 °F Lo 42 °F Hi 64 °F Lo 42 °F Hi 64 °F Lo 43 °F Hi 64 °F Lo 44 °F

Cold Weather Advisory
Coastal Flood Advisory
 

Overnight
 
Patchy fog. Otherwise, partly cloudy, with a low around 38. Calm wind.
Friday
 
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Friday Night
 
Patchy dense fog before 3am, then patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 42. Light and variable wind.
Saturday
 
Patchy fog before noon. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 64. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Saturday Night
 
Partly cloudy, with a low around 42. Northwest wind 3 to 7 mph.
Sunday
 
Partly sunny, with a high near 64.
Sunday Night
 
Partly cloudy, with a low around 43.
Monday
 
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64.
Monday Night
 
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 44.
Tuesday
 
Patchy fog before 11am. Otherwise, partly sunny, with a high near 66.
Tuesday Night
 
Patchy fog. Otherwise, mostly cloudy, with a low around 46.
Wednesday
 
Patchy fog. Otherwise, mostly sunny, with a high near 69.
Wednesday Night
 
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Thursday
 
Patchy fog. Otherwise, mostly sunny, with a high near 67.

 

Forecast from NOAA-NWS for Sebastopol CA.