National Weather Service Forecast for: Lewiston CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT Jul 12, 2026
 
Tonight

Tonight: Increasing clouds, with a low around 63. West wind 5 to 9 mph becoming calm after midnight.
Increasing
Clouds
 Monday

Monday: Partly sunny, with a high near 94. Light and variable wind.
Partly Sunny
 Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 63. West wind 5 to 9 mph becoming calm after midnight.
Slight Chance
T-storms
 Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Slight Chance
T-storms
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 62. West southwest wind 5 to 7 mph becoming calm in the evening.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 59.
Clear
 Thursday

Thursday: Sunny, with a high near 94.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 60.
Mostly Clear
Lo 63 °F Hi 94 °F Lo 63 °F Hi 96 °F Lo 62 °F Hi 96 °F Lo 59 °F Hi 94 °F Lo 60 °F

 

Tonight
 
 Increasing clouds, with a low around 63. West wind 5 to 9 mph becoming calm after midnight.
Monday
 
 Partly sunny, with a high near 94. Light and variable wind.
Monday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 63. West wind 5 to 9 mph becoming calm after midnight.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 62. West southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
 
 Clear, with a low around 59.
Thursday
 
 Sunny, with a high near 94.
Thursday Night
 
 Mostly clear, with a low around 60.
Friday
 
 Sunny, with a high near 96.
Friday Night
 
 Mostly clear, with a low around 62.
Saturday
 
 Mostly sunny, with a high near 94.
Saturday Night
 
 Partly cloudy, with a low around 64.
Sunday
 
 A slight chance of rain. Mostly sunny, with a high near 95.

 

Forecast from NOAA-NWS for Lewiston CA.