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

Tonight: Partly cloudy, with a low around 61. West southwest wind 6 to 11 mph.
Partly Cloudy
 Monday

Monday: Partly sunny, with a high near 94. Calm wind becoming west southwest around 6 mph in the afternoon.
Partly Sunny
 Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 62. West wind 6 to 10 mph.
Slight Chance
T-storms
 Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west southwest around 6 mph in the afternoon.
Slight Chance
T-storms
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 61. West wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 18 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 93. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 57.
Clear
 Thursday

Thursday: Sunny, with a high near 92.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 58.
Mostly Clear
Lo 61 °F Hi 94 °F Lo 62 °F Hi 94 °F Lo 61 °F Hi 93 °F Lo 57 °F Hi 92 °F Lo 58 °F

 

Tonight
 
 Partly cloudy, with a low around 61. West southwest wind 6 to 11 mph.
Monday
 
 Partly sunny, with a high near 94. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 62. West wind 6 to 10 mph.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 61. West wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
 
 Sunny, with a high near 93. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
 
 Clear, with a low around 57.
Thursday
 
 Sunny, with a high near 92.
Thursday Night
 
 Mostly clear, with a low around 58.
Friday
 
 Sunny, with a high near 96.
Friday Night
 
 Mostly clear, with a low around 62.
Saturday
 
 Sunny, with a high near 95.
Saturday Night
 
 Partly cloudy, with a low around 64.
Sunday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94.

 

Forecast from NOAA-NWS for Helena CA.