National Weather Service Forecast for: Brentwood CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 10:26 pm PST Nov 1, 2026
 
Tonight

Tonight: Mostly clear, with a low around 48. Light west southwest wind.
Mostly Clear

Monday

Monday: Partly sunny, with a high near 68. Light east wind.
Partly Sunny

Monday
Night
Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 50. Calm wind.
Gradual
Clearing
Tuesday

Tuesday: Rain likely, mainly between 10am and 2pm.  Partly sunny, with a high near 64. Calm wind becoming east southeast around 5 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely

Tuesday
Night
Tuesday Night: A 20 percent chance of rain before 10pm.  Partly cloudy, with a low around 49. Calm wind.
Slight Chance
Rain then
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 69.
Mostly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 50.
Partly Cloudy

Thursday

Thursday: Sunny, with a high near 71.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 50.
Mostly Clear

Lo 48 °F Hi 68 °F Lo 50 °F Hi 64 °F Lo 49 °F Hi 69 °F Lo 50 °F Hi 71 °F Lo 50 °F

 

Tonight
 
Mostly clear, with a low around 48. Light west southwest wind.
Monday
 
Partly sunny, with a high near 68. Light east wind.
Monday Night
 
Cloudy during the early evening, then gradual clearing, with a low around 50. Calm wind.
Tuesday
 
Rain likely, mainly between 10am and 2pm. Partly sunny, with a high near 64. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 49. Calm wind.
Wednesday
 
Mostly sunny, with a high near 69.
Wednesday Night
 
Partly cloudy, with a low around 50.
Thursday
 
Sunny, with a high near 71.
Thursday Night
 
Mostly clear, with a low around 50.
Friday
 
Sunny, with a high near 73.
Friday Night
 
Mostly clear, with a low around 51.
Saturday
 
Sunny, with a high near 73.
Saturday Night
 
Mostly clear, with a low around 51.
Sunday
 
Mostly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Brentwood CA.