National Weather Service Forecast for: Ben Lomond CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 12:28 pm PST Dec 16, 2025
 
This
Afternoon
This Afternoon: A 10 percent chance of rain after 4pm. Patchy fog after 5pm. Otherwise, mostly sunny, with a high near 70. Calm wind.
Slight Chance
Rain and
Patchy Fog
 Tonight

Tonight: Rain likely, mainly after 4am. Widespread fog, mainly after 7pm. Otherwise, mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%.
Chance Rain
and Fog then
Rain Likely
and Fog
 Wednesday

Wednesday: Rain likely, mainly before 10am. Widespread fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind. Chance of precipitation is 60%.
Rain Likely
and Fog then
Chance Rain
 Wednesday
Night
Wednesday Night: Areas of fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Areas Fog

 Thursday

Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Calm wind.
Patchy Fog
then Mostly
Sunny
 Thursday
Night
Thursday Night: A 20 percent chance of rain after 10pm. Widespread fog, mainly after 3am. Otherwise, mostly cloudy, with a low around 46.
Slight Chance
Rain and Fog

 Friday

Friday: A 30 percent chance of rain, mainly after 10am. Widespread fog, mainly before 10am. Otherwise, partly sunny, with a high near 66.
Chance Rain
and Fog

 Friday
Night
Friday Night: Rain likely, mainly between 10pm and 4am. Widespread fog, mainly after 3am. Otherwise, mostly cloudy, with a low around 50.
Rain Likely
and Fog

 Saturday

Saturday: Rain likely, mainly after 10am. Widespread fog before noon, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 67.
Rain Likely
and Fog
Hi 70 °F Lo 51 °F Hi 68 °F Lo 44 °F Hi 68 °F Lo 46 °F Hi 66 °F Lo 50 °F Hi 67 °F

 

This Afternoon
 
 A 10 percent chance of rain after 4pm. Patchy fog after 5pm. Otherwise, mostly sunny, with a high near 70. Calm wind.
Tonight
 
 Rain likely, mainly after 4am. Widespread fog, mainly after 7pm. Otherwise, mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%.
Wednesday
 
 Rain likely, mainly before 10am. Widespread fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind. Chance of precipitation is 60%.
Wednesday Night
 
 Areas of fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Thursday
 
 Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Calm wind.
Thursday Night
 
 A 20 percent chance of rain after 10pm. Widespread fog, mainly after 3am. Otherwise, mostly cloudy, with a low around 46.
Friday
 
 A 30 percent chance of rain, mainly after 10am. Widespread fog, mainly before 10am. Otherwise, partly sunny, with a high near 66.
Friday Night
 
 Rain likely, mainly between 10pm and 4am. Widespread fog, mainly after 3am. Otherwise, mostly cloudy, with a low around 50.
Saturday
 
 Rain likely, mainly after 10am. Widespread fog before noon, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 67.
Saturday Night
 
 Rain likely. Areas of fog. Otherwise, cloudy, with a low around 52.
Sunday
 
 Rain likely. Mostly cloudy, with a high near 65.
Sunday Night
 
 Rain likely. Cloudy, with a low around 50.
Monday
 
 Rain likely. Mostly cloudy, with a high near 64.
Monday Night
 
 A chance of rain. Mostly cloudy, with a low around 48.
Tuesday
 
 Rain likely. Mostly cloudy, with a high near 64.

 

Forecast from NOAA-NWS for Ben Lomond CA.