National Weather Service Forecast for: Ben Lomond CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:24 pm PST Dec 17, 2025
 
Tonight

Tonight: Patchy drizzle after 8pm. Areas of dense fog. Otherwise, partly cloudy, with a low around 45. Calm wind.
Patchy
Drizzle and
Areas Dense
Fog
 Thursday

Thursday: Mostly sunny, with a high near 65. Calm wind.
Mostly Sunny

 Thursday
Night
Thursday Night: A 20 percent chance of rain after 10pm. Widespread fog, mainly after 4am. Otherwise, mostly cloudy, with a low around 47. Calm wind.
Slight Chance
Rain and Fog

 Friday

Friday: Rain, mainly after 4pm. Widespread fog before noon, then patchy fog after 5pm. High near 62. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Fog then
Rain and
Patchy Fog
 Friday
Night
Friday Night: Rain, mainly before 4am. Widespread fog, mainly after 4am. Low around 51. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and Fog

 Saturday

Saturday: Rain, mainly after 10am. Widespread fog before noon, then patchy fog after 5pm. High near 63. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and Fog

 Saturday
Night
Saturday Night: Rain. Areas of fog before 1am. Low around 53. Chance of precipitation is 90%.
Rain and
Areas Fog

 Sunday

Sunday: Showers and possibly a thunderstorm. Cloudy, with a high near 61.
Showers

 Sunday
Night
Sunday Night: Rain. Cloudy, with a low around 51.
Rain
Lo 45 °F Hi 65 °F Lo 47 °F Hi 62 °F Lo 51 °F Hi 63 °F Lo 53 °F Hi 61 °F Lo 51 °F

 

Tonight
 
 Patchy drizzle after 8pm. Areas of dense fog. Otherwise, partly cloudy, with a low around 45. Calm wind.
Thursday
 
 Mostly sunny, with a high near 65. Calm wind.
Thursday Night
 
 A 20 percent chance of rain after 10pm. Widespread fog, mainly after 4am. Otherwise, mostly cloudy, with a low around 47. Calm wind.
Friday
 
 Rain, mainly after 4pm. Widespread fog before noon, then patchy fog after 5pm. High near 62. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 Rain, mainly before 4am. Widespread fog, mainly after 4am. Low around 51. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Rain, mainly after 10am. Widespread fog before noon, then patchy fog after 5pm. High near 63. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
 
 Rain. Areas of fog before 1am. Low around 53. Chance of precipitation is 90%.
Sunday
 
 Showers and possibly a thunderstorm. Cloudy, with a high near 61.
Sunday Night
 
 Rain. Cloudy, with a low around 51.
Monday
 
 Rain likely. Mostly cloudy, with a high near 61.
Monday Night
 
 Rain likely. Mostly cloudy, with a low around 48.
Tuesday
 
 Rain. Mostly cloudy, with a high near 60.
Tuesday Night
 
 Rain. The rain could be heavy at times. Mostly cloudy, with a low around 48.
Wednesday
 
 Rain likely. The rain could be heavy at times. Mostly cloudy, with a high near 60.

 

Forecast from NOAA-NWS for Ben Lomond CA.