National Weather Service Forecast for: 4 Miles SE Saint Helena CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Apr 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 77. West southwest wind around 6 mph.
Sunny

 Tonight

Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 44. Light west southwest wind.
Mostly Clear
then Patchy
Fog
 Tuesday

Tuesday: Areas of fog before 9am. Otherwise, sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.
Areas Fog
then Sunny
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Wednesday

Wednesday: Sunny, with a high near 78. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunny

 Wednesday
Night
Wednesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51.
Mostly Clear
then Patchy
Fog
 Thursday

Thursday: A 30 percent chance of rain, mainly after 11am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 72.
Chance Rain
and Areas Fog
 Thursday
Night
Thursday Night: A chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 49.
Chance Rain
and Patchy
Fog
 Friday

Friday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 70.
Showers
Likely and
Areas Fog
Hi 77 °F Lo 44 °F Hi 78 °F Lo 49 °F Hi 78 °F Lo 51 °F Hi 72 °F Lo 49 °F Hi 70 °F

 

This Afternoon
 
 Sunny, with a high near 77. West southwest wind around 6 mph.
Tonight
 
 Patchy fog after 1am. Otherwise, mostly clear, with a low around 44. Light west southwest wind.
Tuesday
 
 Areas of fog before 9am. Otherwise, sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
 
 Partly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 78. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
 
 Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51.
Thursday
 
 A 30 percent chance of rain, mainly after 11am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 72.
Thursday Night
 
 A chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 49.
Friday
 
 Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 70.
Friday Night
 
 A chance of rain. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 48.
Saturday
 
 A chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 69.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 44.
Sunday
 
 A chance of rain. Partly sunny, with a high near 67.

 

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