National Weather Service Forecast for: Ben Lomond CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:26 pm PDT Apr 6, 2026
 
Tonight

Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. Calm wind.
Patchy Fog

 Tuesday

Tuesday: Areas of fog before 9am. Otherwise, sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.
Areas Fog
then Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 47. Calm wind.
Mostly Clear
then Patchy
Fog
 Wednesday

Wednesday: Areas of fog before 9am. Otherwise, sunny, with a high near 79. Light north northwest wind.
Areas Fog
then Sunny
 Wednesday
Night
Wednesday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 49. Light northwest wind.
Mostly Clear
then Patchy
Fog
 Thursday

Thursday: A 30 percent chance of rain, mainly after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 73. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Areas Fog
 Thursday
Night
Thursday Night: A 40 percent chance of rain after 11pm. Patchy fog after 11pm. 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 9am. Otherwise, mostly cloudy, with a high near 71.
Showers
Likely and
Areas Fog
 Friday
Night
Friday Night: Rain likely, mainly after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47.
Rain Likely
and Patchy
Fog
Lo 43 °F Hi 78 °F Lo 47 °F Hi 79 °F Lo 49 °F Hi 73 °F Lo 49 °F Hi 71 °F Lo 47 °F

 

Tonight
 
 Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. Calm wind.
Tuesday
 
 Areas of fog before 9am. Otherwise, sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
 
 Patchy fog after 3am. Otherwise, mostly clear, with a low around 47. Calm wind.
Wednesday
 
 Areas of fog before 9am. Otherwise, sunny, with a high near 79. Light north northwest wind.
Wednesday Night
 
 Patchy fog after midnight. Otherwise, partly cloudy, with a low around 49. Light northwest wind.
Thursday
 
 A 30 percent chance of rain, mainly after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 73. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 A 40 percent chance of rain after 11pm. Patchy fog after 11pm. 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 9am. Otherwise, mostly cloudy, with a high near 71.
Friday Night
 
 Rain likely, mainly after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47.
Saturday
 
 A chance of rain. Patchy fog before 9am. Otherwise, partly sunny, with a high near 71.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 44.
Sunday
 
 A chance of rain. Partly sunny, with a high near 66.
Sunday Night
 
 A slight chance of rain. Partly cloudy, with a low around 43.
Monday
 
 Mostly sunny, with a high near 71.

 

Forecast from NOAA-NWS for Ben Lomond CA.