National Weather Service Forecast for: Clayton CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Jun 29, 2026
 
Tonight

Tonight: Clear, with a low around 55. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Clear
Tuesday

Tuesday: Sunny, with a high near 88. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 83. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 52. Southwest wind 11 to 15 mph, with gusts as high as 29 mph.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 81.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 52.
Mostly Clear
Friday

Friday: Sunny, with a high near 86.
Sunny
Friday
Night
Friday Night: Clear, with a low around 54.
Clear
Lo 55 °F Hi 88 °F Lo 52 °F Hi 83 °F Lo 52 °F Hi 81 °F Lo 52 °F Hi 86 °F Lo 54 °F

 

Tonight
 
Clear, with a low around 55. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Tuesday
 
Sunny, with a high near 88. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
 
Mostly clear, with a low around 52. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday
 
Sunny, with a high near 83. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
Mostly clear, with a low around 52. Southwest wind 11 to 15 mph, with gusts as high as 29 mph.
Thursday
 
Sunny, with a high near 81.
Thursday Night
 
Mostly clear, with a low around 52.
Friday
 
Sunny, with a high near 86.
Friday Night
 
Clear, with a low around 54.
Independence Day
 
Sunny, with a high near 87.
Saturday Night
 
Mostly clear, with a low around 54.
Sunday
 
Sunny, with a high near 85.
Sunday Night
 
Mostly clear, with a low around 54.
Monday
 
Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Clayton CA.