National Weather Service Forecast for: Lewiston CA
Issued by: National Weather Service Eureka, CA
Updated: 4:54 pm PST Dec 17, 2025
 
Tonight

Tonight: A 50 percent chance of rain, mainly between 7pm and 1am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 40. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Patchy
Fog
 Thursday

Thursday: Rain likely. Areas of fog before 10am. Otherwise, cloudy, with a high near 50. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely
and Areas Fog
 Thursday
Night
Thursday Night: Rain. Low around 43. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Friday

Friday: Rain. High near 49. South wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Rain

 Friday
Night
Friday Night: Rain, mainly before 4am. Areas of fog after 4am. Low around 37. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and
Areas Fog
 Saturday

Saturday: Rain likely, mainly after 10am. Areas of fog before 10am. Otherwise, cloudy, with a high near 47. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Rain Likely
and Areas Fog
 Saturday
Night
Saturday Night: Rain. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Rain

 Sunday

Sunday: Rain. Cloudy, with a high near 49.
Rain

 Sunday
Night
Sunday Night: Rain. Cloudy, with a low around 38.
Rain
Lo 40 °F Hi 50 °F Lo 43 °F Hi 49 °F Lo 37 °F Hi 47 °F Lo 41 °F Hi 49 °F Lo 38 °F

 

Tonight
 
 A 50 percent chance of rain, mainly between 7pm and 1am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 40. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 Rain likely. Areas of fog before 10am. Otherwise, cloudy, with a high near 50. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 Rain. Low around 43. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Rain. High near 49. South wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday Night
 
 Rain, mainly before 4am. Areas of fog after 4am. Low around 37. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Rain likely, mainly after 10am. Areas of fog before 10am. Otherwise, cloudy, with a high near 47. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
 
 Rain. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
 
 Rain. Cloudy, with a high near 49.
Sunday Night
 
 Rain. Cloudy, with a low around 38.
Monday
 
 Rain. Cloudy, with a high near 47.
Monday Night
 
 Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 34.
Tuesday
 
 Rain likely. Patchy fog. Otherwise, cloudy, with a high near 43.
Tuesday Night
 
 Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 34.
Wednesday
 
 Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 44.

 

Forecast from NOAA-NWS for Lewiston CA.