National Weather Service Forecast for: Helena CA
Issued by: National Weather Service Eureka, CA
Updated: 3:06 pm PST Feb 2, 2026
 
Tonight

Tonight: Mostly clear during the evening, then mostly cloudy overnight, with a low around 40. Calm wind.
Mostly Cloudy
Tuesday

Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 61. Light east northeast wind.
Becoming
Sunny
Tuesday
Night
Tuesday Night: Increasing clouds, with a low around 41. Light north wind.
Increasing
Clouds
Wednesday

Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Light east southeast wind.
Becoming
Sunny
Wednesday
Night
Wednesday Night: Clear, with a low around 40. Light east wind.
Clear
Thursday

Thursday: Sunny, with a high near 60. East southeast wind 3 to 5 mph.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 44.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 59.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 42.
Partly Cloudy
Lo 40 °F Hi 61 °F Lo 41 °F Hi 62 °F Lo 40 °F Hi 60 °F Lo 44 °F Hi 59 °F Lo 42 °F

 

Tonight
 
Mostly clear during the evening, then mostly cloudy overnight, with a low around 40. Calm wind.
Tuesday
 
Mostly cloudy through mid morning, then gradual clearing, with a high near 61. Light east northeast wind.
Tuesday Night
 
Increasing clouds, with a low around 41. Light north wind.
Wednesday
 
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Light east southeast wind.
Wednesday Night
 
Clear, with a low around 40. Light east wind.
Thursday
 
Sunny, with a high near 60. East southeast wind 3 to 5 mph.
Thursday Night
 
Partly cloudy, with a low around 44.
Friday
 
Mostly sunny, with a high near 59.
Friday Night
 
Partly cloudy, with a low around 42.
Saturday
 
A slight chance of rain after 4pm. Partly sunny, with a high near 56.
Saturday Night
 
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
 
Rain likely. Mostly cloudy, with a high near 57.
Sunday Night
 
Rain likely. Mostly cloudy, with a low around 38.
Monday
 
A chance of rain. Partly sunny, with a high near 51.

 

Forecast from NOAA-NWS for Helena CA.