National Weather Service Forecast for: Clayton CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Jun 19, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 54. West southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Partly Cloudy
 Saturday

Saturday: Partly sunny, then gradually becoming sunny, with a high near 80. West southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Becoming
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 52. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 84. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 53. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Mostly Clear
 Monday

Monday: Sunny, with a high near 86.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 53.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 88.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54.
Mostly Clear
Lo 54 °F Hi 80 °F Lo 52 °F Hi 84 °F Lo 53 °F Hi 86 °F Lo 53 °F Hi 88 °F Lo 54 °F

 

Tonight
 
 Partly cloudy, with a low around 54. West southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Saturday
 
 Partly sunny, then gradually becoming sunny, with a high near 80. West southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Saturday Night
 
 Mostly clear, with a low around 52. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday
 
 Sunny, with a high near 84. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
 
 Mostly clear, with a low around 53. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Monday
 
 Sunny, with a high near 86.
Monday Night
 
 Mostly clear, with a low around 53.
Tuesday
 
 Sunny, with a high near 88.
Tuesday Night
 
 Mostly clear, with a low around 54.
Wednesday
 
 Sunny, with a high near 90.
Wednesday Night
 
 Clear, with a low around 55.
Thursday
 
 Sunny, with a high near 88.
Thursday Night
 
 Mostly clear, with a low around 54.
Friday
 
 Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Clayton CA.