National Weather Service Forecast for: Clayton CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:25 am PST Dec 22, 2025
 
Today

Today: Rain.  Patchy fog after 11am. High near 62. South southwest wind 5 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and
Patchy Fog
Tonight

Tonight: Rain.  Areas of fog. Low around 51. Light and variable wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and
Areas Fog
Tuesday

Tuesday: Rain likely.  Cloudy, with a high near 61. Southeast wind 10 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely
Tuesday
Night
Tuesday Night: Rain.  Low around 48. South wind 16 to 20 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Rain
Wednesday

Wednesday: Rain.  High near 59. South wind around 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm.  Low around 50. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Showers
Christmas
Day
Christmas Day: Rain.  High near 55. Breezy.  Chance of precipitation is 100%.
Rain and
Breezy
Thursday
Night
Thursday Night: Rain.  Cloudy, with a low around 45.
Rain
Friday

Friday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 55.
Rain Likely
Hi 62 °F Lo 51 °F Hi 61 °F Lo 48 °F Hi 59 °F Lo 50 °F Hi 55 °F Lo 45 °F Hi 55 °F

High Wind Watch
Flood Watch
 

Today
 
Rain. Patchy fog after 11am. High near 62. South southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
 
Rain. Areas of fog. Low around 51. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
 
Rain likely. Cloudy, with a high near 61. Southeast wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
Rain. Low around 48. South wind 16 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
 
Rain. High near 59. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 50. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Christmas Day
 
Rain. High near 55. Breezy. Chance of precipitation is 100%.
Thursday Night
 
Rain. Cloudy, with a low around 45.
Friday
 
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 55.
Friday Night
 
A chance of rain, mainly before 10pm. Patchy fog before 10pm, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 39.
Saturday
 
A slight chance of rain. Areas of fog. Otherwise, mostly sunny, with a high near 54.
Saturday Night
 
Patchy fog. Otherwise, mostly clear, with a low around 36.
Sunday
 
Patchy fog. Otherwise, partly sunny, with a high near 51.

 

Forecast from NOAA-NWS for Clayton CA.