National Weather Service Forecast for: Brentwood CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT May 26, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 51. West southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Partly Cloudy

Wednesday

Wednesday: Mostly sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon.
Mostly Sunny

Wednesday
Night
Wednesday Night: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 53. West wind 3 to 7 mph.
Mostly Cloudy
then Slight
Chance Rain
Thursday

Thursday: A 30 percent chance of rain.  Partly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

Thursday
Night
Thursday Night: Mostly clear, with a low around 54. West southwest wind 6 to 9 mph.
Mostly Clear

Friday

Friday: Sunny, with a high near 77.
Sunny

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

Saturday

Saturday: Sunny, with a high near 80.
Sunny

Saturday
Night
Saturday Night: Clear, with a low around 52.
Clear

Lo 51 °F Hi 75 °F Lo 53 °F Hi 75 °F Lo 54 °F Hi 77 °F Lo 53 °F Hi 80 °F Lo 52 °F

 

Tonight
 
Partly cloudy, with a low around 51. West southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday
 
Mostly sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
 
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 53. West wind 3 to 7 mph.
Thursday
 
A 30 percent chance of rain. Partly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
Mostly clear, with a low around 54. West southwest wind 6 to 9 mph.
Friday
 
Sunny, with a high near 77.
Friday Night
 
Mostly clear, with a low around 53.
Saturday
 
Sunny, with a high near 80.
Saturday Night
 
Clear, with a low around 52.
Sunday
 
Sunny, with a high near 87.
Sunday Night
 
Clear, with a low around 55.
Monday
 
Sunny, with a high near 90.
Monday Night
 
Mostly clear, with a low around 56.
Tuesday
 
Sunny, with a high near 90.

 

Forecast from NOAA-NWS for Brentwood CA.