National Weather Service Forecast for: Plymouth CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 pm PST Dec 16, 2025
 
Tonight

Tonight: Showers likely, with thunderstorms also possible after 4am. Widespread fog, mainly between 10pm and 11pm. Otherwise, cloudy, with a steady temperature around 50. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely and
Fog
 Wednesday

Wednesday: Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and noon. High near 57. South southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Mostly Cloudy
 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 42. Calm wind.
Mostly Cloudy

 Thursday

Thursday: Partly sunny, with a high near 56. Calm wind.
Partly Sunny

 Thursday
Night
Thursday Night: A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 45. Light east southeast wind.
Slight Chance
Showers
 Friday

Friday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Showers
Likely
 Friday
Night
Friday Night: Showers. Low around 50. Chance of precipitation is 80%.
Showers

 Saturday

Saturday: Showers. Cloudy, with a high near 55.
Showers

 Saturday
Night
Saturday Night: Showers. Cloudy, with a low around 52.
Showers
Lo 50 °F Hi 57 °F Lo 42 °F Hi 56 °F Lo 45 °F Hi 55 °F Lo 50 °F Hi 55 °F Lo 52 °F

 

Tonight
 
 Showers likely, with thunderstorms also possible after 4am. Widespread fog, mainly between 10pm and 11pm. Otherwise, cloudy, with a steady temperature around 50. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and noon. High near 57. South southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Mostly cloudy, with a low around 42. Calm wind.
Thursday
 
 Partly sunny, with a high near 56. Calm wind.
Thursday Night
 
 A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 45. Light east southeast wind.
Friday
 
 Showers likely, mainly after 4pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Friday Night
 
 Showers. Low around 50. Chance of precipitation is 80%.
Saturday
 
 Showers. Cloudy, with a high near 55.
Saturday Night
 
 Showers. Cloudy, with a low around 52.
Sunday
 
 Showers. Cloudy, with a high near 54.
Sunday Night
 
 Showers likely. Cloudy, with a low around 50.
Monday
 
 Showers likely. Cloudy, with a high near 54.
Monday Night
 
 A chance of showers. Cloudy, with a low around 48.
Tuesday
 
 Showers likely. Cloudy, with a high near 53.

 

Forecast from NOAA-NWS for Plymouth CA.