National Weather Service Forecast for: Sebastopol CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 am PDT Jun 22, 2026
 
Overnight

Overnight: Areas of fog.  Otherwise, mostly cloudy, with a low around 50. Calm wind.
Areas Fog

Monday

Monday: Patchy fog before 8am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Patchy Fog
then Sunny
Monday
Night
Monday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 50. Southwest wind around 6 mph becoming calm  in the evening.
Patchy Fog

Tuesday

Tuesday: Patchy fog before 8am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Patchy Fog
then Sunny
Tuesday
Night
Tuesday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 50. Southwest wind 5 to 7 mph becoming calm  in the evening.
Patchy Fog

Wednesday

Wednesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 79.
Patchy Fog
then Sunny
Wednesday
Night
Wednesday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 51.
Mostly Clear
then Patchy
Fog
Thursday

Thursday: Sunny, with a high near 83.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 53.
Mostly Clear

Lo 50 °F Hi 77 °F Lo 50 °F Hi 78 °F Lo 50 °F Hi 79 °F Lo 51 °F Hi 83 °F Lo 53 °F

 

Overnight
 
Areas of fog. Otherwise, mostly cloudy, with a low around 50. Calm wind.
Monday
 
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
 
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 50. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
 
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
 
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79.
Wednesday Night
 
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51.
Thursday
 
Sunny, with a high near 83.
Thursday Night
 
Mostly clear, with a low around 53.
Friday
 
Mostly sunny, with a high near 80.
Friday Night
 
Patchy fog. Otherwise, mostly clear, with a low around 54.
Saturday
 
Sunny, with a high near 80.
Saturday Night
 
Mostly clear, with a low around 52.
Sunday
 
Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Sebastopol CA.