National Weather Service Forecast for: Petaluma CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:28 pm PDT Apr 10, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 51. West wind 5 to 9 mph, with gusts as high as 20 mph.
Mostly Cloudy
 Friday

Friday: Partly sunny, with a high near 69. West wind 5 to 11 mph, with gusts as high as 22 mph.
Partly Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 43. West wind 7 to 10 mph, with gusts as high as 22 mph.
Partly Cloudy
 Saturday

Saturday: Sunny, with a high near 71. West northwest wind 3 to 7 mph.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 45. West wind 5 to 8 mph becoming calm in the evening.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 78.
Sunny
 Sunday
Night
Sunday Night: Clear, with a low around 48.
Clear
 Monday

Monday: Sunny, with a high near 78.
Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 48.
Partly Cloudy
Lo 51 °F Hi 69 °F Lo 43 °F Hi 71 °F Lo 45 °F Hi 78 °F Lo 48 °F Hi 78 °F Lo 48 °F

 

Tonight
 
 Mostly cloudy, with a low around 51. West wind 5 to 9 mph, with gusts as high as 20 mph.
Friday
 
 Partly sunny, with a high near 69. West wind 5 to 11 mph, with gusts as high as 22 mph.
Friday Night
 
 Partly cloudy, with a low around 43. West wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday
 
 Sunny, with a high near 71. West northwest wind 3 to 7 mph.
Saturday Night
 
 Mostly clear, with a low around 45. West wind 5 to 8 mph becoming calm in the evening.
Sunday
 
 Sunny, with a high near 78.
Sunday Night
 
 Clear, with a low around 48.
Monday
 
 Sunny, with a high near 78.
Monday Night
 
 Partly cloudy, with a low around 48.
Tuesday
 
 Mostly sunny, with a high near 70.
Tuesday Night
 
 Partly cloudy, with a low around 47.
Wednesday
 
 Patchy fog. Otherwise, mostly sunny, with a high near 73.
Wednesday Night
 
 Mostly clear, with a low around 48.
Thursday
 
 Sunny, with a high near 74.

 

Forecast from NOAA-NWS for Petaluma CA.