National Weather Service Forecast for: 8 Miles SSW Saint Helena CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:27 am PDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny and hot, with a high near 98. Calm wind becoming west around 6 mph.
Hot
 Tonight

Tonight: Clear, with a low around 59. Calm wind.
Clear
 Wednesday

Wednesday: Sunny and hot, with a high near 97. Calm wind becoming west around 6 mph in the afternoon.
Hot
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56. Light and variable wind.
Mostly Clear
 Thursday

Thursday: Sunny and hot, with a high near 96. Calm wind becoming west southwest around 5 mph in the afternoon.
Hot
 Thursday
Night
Thursday Night: Mostly clear, with a low around 58.
Mostly Clear
 Friday

Friday: Sunny, with a high near 88.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 51.
Mostly Clear
 Saturday

Saturday: Mostly sunny, with a high near 77.
Mostly Sunny
Hi 98 °F Lo 59 °F Hi 97 °F Lo 56 °F Hi 96 °F Lo 58 °F Hi 88 °F Lo 51 °F Hi 77 °F

Heat Advisory
Coastal Flood Advisory
 

This Afternoon
 
 Sunny and hot, with a high near 98. Calm wind becoming west around 6 mph.
Tonight
 
 Clear, with a low around 59. Calm wind.
Wednesday
 
 Sunny and hot, with a high near 97. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 56. Light and variable wind.
Thursday
 
 Sunny and hot, with a high near 96. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 58.
Friday
 
 Sunny, with a high near 88.
Friday Night
 
 Mostly clear, with a low around 51.
Saturday
 
 Mostly sunny, with a high near 77.
Saturday Night
 
 Mostly clear, with a low around 46.
Sunday
 
 Sunny, with a high near 75.
Sunday Night
 
 Mostly clear, with a low around 47.
Columbus Day
 
 Sunny, with a high near 75.

 

Forecast from NOAA-NWS for 8 Miles SSW Saint Helena CA.