National Weather Service Forecast for: Lewiston CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT Jun 29, 2026
 
Overnight

Overnight: Mostly clear, with a low around 52. Calm wind.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52. West wind 5 to 7 mph becoming calm in the evening.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 87. Calm wind.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 55. West southwest wind around 6 mph becoming calm in the evening.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 87. Calm wind becoming south southeast around 6 mph in the afternoon.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 55.
Mostly Clear
 Friday

Friday: Sunny, with a high near 90.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 58.
Clear
Lo 52 °F Hi 88 °F Lo 52 °F Hi 87 °F Lo 55 °F Hi 87 °F Lo 55 °F Hi 90 °F Lo 58 °F

 

Overnight
 
 Mostly clear, with a low around 52. Calm wind.
Tuesday
 
 Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 52. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 87. Calm wind.
Wednesday Night
 
 Mostly clear, with a low around 55. West southwest wind around 6 mph becoming calm in the evening.
Thursday
 
 Sunny, with a high near 87. Calm wind becoming south southeast around 6 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 55.
Friday
 
 Sunny, with a high near 90.
Friday Night
 
 Clear, with a low around 58.
Independence Day
 
 Sunny, with a high near 95.
Saturday Night
 
 Mostly clear, with a low around 60.
Sunday
 
 Sunny, with a high near 93.
Sunday Night
 
 Mostly clear, with a low around 60.
Monday
 
 Sunny, with a high near 92.

 

Forecast from NOAA-NWS for Lewiston CA.