National Weather Service Forecast for: 4 Miles SE Saint Helena CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:26 am PDT May 26, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of rain after 4pm. Mostly sunny, with a high near 72. West northwest wind around 6 mph.
Chance Rain

 Tonight

Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46. West northwest wind 5 to 7 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog
 Wednesday

Wednesday: A slight chance of rain between 1pm and 4pm. Partly sunny, with a high near 72. Light and variable wind. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny
then Slight
Chance Rain
 Wednesday
Night
Wednesday Night: A slight chance of rain before 3am, then a slight chance of rain after 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Slight Chance
Rain and
Patchy Fog
 Thursday

Thursday: A 20 percent chance of rain. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Slight Chance
Rain and
Areas Fog
 Thursday
Night
Thursday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49.
Partly Cloudy
then Patchy
Fog
 Friday

Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75.
Patchy Fog
then Mostly
Sunny
 Friday
Night
Friday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 50.
Mostly Clear
then Patchy
Fog
 Saturday

Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 81.
Patchy Fog
then Sunny
Hi 72 °F Lo 46 °F Hi 72 °F Lo 49 °F Hi 74 °F Lo 49 °F Hi 75 °F Lo 50 °F Hi 81 °F

 

This Afternoon
 
 A 30 percent chance of rain after 4pm. Mostly sunny, with a high near 72. West northwest wind around 6 mph.
Tonight
 
 Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46. West northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
 A slight chance of rain between 1pm and 4pm. Partly sunny, with a high near 72. Light and variable wind. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
 
 A slight chance of rain before 3am, then a slight chance of rain after 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 A 20 percent chance of rain. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49.
Friday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75.
Friday Night
 
 Patchy fog after 1am. Otherwise, mostly clear, with a low around 50.
Saturday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 81.
Saturday Night
 
 Clear, with a low around 50.
Sunday
 
 Sunny, with a high near 85.
Sunday Night
 
 Clear, with a low around 53.
Monday
 
 Sunny, with a high near 88.

 

Forecast from NOAA-NWS for 4 Miles SE Saint Helena CA.