National Weather Service Forecast for: Ben Lomond CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 2:54 pm PST Dec 22, 2025
 
This
Afternoon
This Afternoon: A 50 percent chance of rain. Patchy fog. Otherwise, cloudy, with a steady temperature around 56. Calm wind.
Chance Rain
and Patchy
Fog
 Tonight

Tonight: Rain likely, mainly after 4am. Patchy fog before 11pm. Otherwise, cloudy, with a low around 49. Light south southeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely
and Patchy
Fog
 Tuesday

Tuesday: Rain. High near 61. South wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Rain

 Tuesday
Night
Tuesday Night: Rain and possibly a thunderstorm. Low around 48. Breezy, with a south southeast wind 16 to 22 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Rain and
Breezy
 Wednesday

Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 61. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain then
Severe
T-Storms
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe. Low around 48. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Severe
T-Storms
then Showers
 Christmas
Day
Christmas Day: Showers and possibly a thunderstorm before 7am, then rain between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 58. Chance of precipitation is 100%.
Showers

 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 4am, then rain after 4am. Cloudy, with a low around 44.
Showers

 Friday

Friday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 58.
Showers
Hi 56 °F Lo 49 °F Hi 61 °F Lo 48 °F Hi 61 °F Lo 48 °F Hi 58 °F Lo 44 °F Hi 58 °F

High Wind Watch
Flood Watch
 

This Afternoon
 
 A 50 percent chance of rain. Patchy fog. Otherwise, cloudy, with a steady temperature around 56. Calm wind.
Tonight
 
 Rain likely, mainly after 4am. Patchy fog before 11pm. Otherwise, cloudy, with a low around 49. Light south southeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
 
 Rain. High near 61. South wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
 
 Rain and possibly a thunderstorm. Low around 48. Breezy, with a south southeast wind 16 to 22 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
 
 Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 61. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
 Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe. Low around 48. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Christmas Day
 
 Showers and possibly a thunderstorm before 7am, then rain between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 58. Chance of precipitation is 100%.
Thursday Night
 
 Showers and possibly a thunderstorm before 4am, then rain after 4am. Cloudy, with a low around 44.
Friday
 
 Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 58.
Friday Night
 
 Rain likely, mainly before 10pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 41.
Saturday
 
 A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 60.
Saturday Night
 
 Patchy frost. Otherwise, mostly clear, with a low around 36.
Sunday
 
 Areas of frost. Otherwise, sunny, with a high near 62.
Sunday Night
 
 Patchy frost. Otherwise, mostly clear, with a low around 38.
Monday
 
 Areas of frost. Otherwise, sunny, with a high near 63.

 

Forecast from NOAA-NWS for Ben Lomond CA.