National Weather Service Forecast for: Lewiston CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT Apr 6, 2026
 
Tonight

Tonight: Mostly clear, with a low around 46. West wind 5 to 7 mph becoming calm  in the evening.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 75. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 46. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Wednesday

Wednesday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 75. Light and variable wind.  Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. Light and variable wind.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

Thursday

Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 11am.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 66. Light and variable wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely and
Patchy Fog
Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm.  Mostly cloudy, with a low around 48. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

Friday

Friday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 65.
Showers
Likely and
Patchy Fog
Friday
Night
Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 46.
Chance
Showers and
Patchy Fog
Lo 46 °F Hi 75 °F Lo 46 °F Hi 75 °F Lo 49 °F Hi 66 °F Lo 48 °F Hi 65 °F Lo 46 °F

 

Tonight
 
Mostly clear, with a low around 46. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 75. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tuesday Night
 
Partly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Wednesday
 
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. Light and variable wind. Chance of precipitation is 20%.
Wednesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 66. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 65.
Friday Night
 
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46.
Saturday
 
A chance of rain. Patchy fog before 8am. Otherwise, partly sunny, with a high near 63.
Saturday Night
 
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
 
A chance of rain. Partly sunny, with a high near 60.
Sunday Night
 
A slight chance of rain. Partly cloudy, with a low around 38.
Monday
 
Mostly sunny, with a high near 64.

 

Forecast from NOAA-NWS for Lewiston CA.