National Weather Service Forecast for: Plymouth CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:20 am PST Dec 5, 2025
 
Overnight

Overnight: Widespread dense fog, mainly after 5am.  Otherwise, mostly clear, with a low around 40. Calm wind.
Dense Fog

Friday

Friday: Widespread dense fog, mainly before 7am.  Otherwise, mostly sunny, with a high near 51. Light and variable wind.
Dense Fog
then Mostly
Sunny
Friday
Night
Friday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 42. Calm wind.
Patchy Fog

Saturday

Saturday: Sunny, with a high near 56. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 44. Calm wind.
Partly Cloudy

Sunday

Sunday: Mostly sunny, with a high near 57.
Mostly Sunny

Sunday
Night
Sunday Night: Partly cloudy, with a low around 43.
Partly Cloudy

Monday

Monday: Mostly sunny, with a high near 58.
Mostly Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 44.
Partly Cloudy

Lo 40 °F Hi 51 °F Lo 42 °F Hi 56 °F Lo 44 °F Hi 57 °F Lo 43 °F Hi 58 °F Lo 44 °F

 

Overnight
 
Widespread dense fog, mainly after 5am. Otherwise, mostly clear, with a low around 40. Calm wind.
Friday
 
Widespread dense fog, mainly before 7am. Otherwise, mostly sunny, with a high near 51. Light and variable wind.
Friday Night
 
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 42. Calm wind.
Saturday
 
Sunny, with a high near 56. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
 
Partly cloudy, with a low around 44. Calm wind.
Sunday
 
Mostly sunny, with a high near 57.
Sunday Night
 
Partly cloudy, with a low around 43.
Monday
 
Mostly sunny, with a high near 58.
Monday Night
 
Partly cloudy, with a low around 44.
Tuesday
 
Mostly sunny, with a high near 60.
Tuesday Night
 
Mostly cloudy, with a low around 46.
Wednesday
 
Mostly sunny, with a high near 61.
Wednesday Night
 
Partly cloudy, with a low around 47.
Thursday
 
Sunny, with a high near 61.

 

Forecast from NOAA-NWS for Plymouth CA.