National Weather Service Forecast for: Helena CA
Issued by: National Weather Service Eureka, CA
Updated: 8:50 pm PST Nov 1, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 40. Light and variable wind.
Partly Cloudy

 Monday

Monday: Mostly cloudy, with a high near 64. Light and variable wind becoming southeast around 6 mph in the morning.
Mostly Cloudy

 Monday
Night
Monday Night: Mostly cloudy, with a low around 41. East wind 8 to 11 mph.
Mostly Cloudy

 Tuesday

Tuesday: Rain, mainly before 4pm. High near 53. East southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Tuesday
Night
Tuesday Night: A 20 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Light east northeast wind.
Slight Chance
Rain then
Patchy Fog
 Wednesday

Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63. Calm wind.
Patchy Fog
then Mostly
Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 39.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 67.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 41.
Partly Cloudy
Lo 40 °F Hi 64 °F Lo 41 °F Hi 53 °F Lo 38 °F Hi 63 °F Lo 39 °F Hi 67 °F Lo 41 °F

 

Tonight
 
 Partly cloudy, with a low around 40. Light and variable wind.
Monday
 
 Mostly cloudy, with a high near 64. Light and variable wind becoming southeast around 6 mph in the morning.
Monday Night
 
 Mostly cloudy, with a low around 41. East wind 8 to 11 mph.
Tuesday
 
 Rain, mainly before 4pm. High near 53. East southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 A 20 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Light east northeast wind.
Wednesday
 
 Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63. Calm wind.
Wednesday Night
 
 Partly cloudy, with a low around 39.
Thursday
 
 Mostly sunny, with a high near 67.
Thursday Night
 
 Partly cloudy, with a low around 41.
Friday
 
 Mostly sunny, with a high near 70.
Friday Night
 
 Mostly clear, with a low around 44.
Saturday
 
 Sunny, with a high near 73.
Saturday Night
 
 Partly cloudy, with a low around 43.
Sunday
 
 Partly sunny, with a high near 69.

 

Forecast from NOAA-NWS for Helena CA.