National Weather Service Forecast for: Ben Lomond CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:40 am PST Dec 5, 2025
 
Overnight

Overnight: Clear, with a low around 42. Northwest wind around 6 mph.
Clear
 Friday

Friday: Sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 44. Calm wind becoming north around 5 mph.
Mostly Clear
 Saturday

Saturday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 66. Calm wind becoming north 5 to 8 mph in the morning.
Patchy Fog
then Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 44. North northwest wind 3 to 7 mph.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 67.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 44.
Mostly Clear
 Monday

Monday: Sunny, with a high near 67.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 45.
Mostly Clear
Lo 42 °F Hi 65 °F Lo 44 °F Hi 66 °F Lo 44 °F Hi 67 °F Lo 44 °F Hi 67 °F Lo 45 °F

 

Overnight
 
 Clear, with a low around 42. Northwest wind around 6 mph.
Friday
 
 Sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 44. Calm wind becoming north around 5 mph.
Saturday
 
 Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 66. Calm wind becoming north 5 to 8 mph in the morning.
Saturday Night
 
 Mostly clear, with a low around 44. North northwest wind 3 to 7 mph.
Sunday
 
 Sunny, with a high near 67.
Sunday Night
 
 Mostly clear, with a low around 44.
Monday
 
 Sunny, with a high near 67.
Monday Night
 
 Mostly clear, with a low around 45.
Tuesday
 
 Sunny, with a high near 68.
Tuesday Night
 
 Partly cloudy, with a low around 47.
Wednesday
 
 Sunny, with a high near 69.
Wednesday Night
 
 Mostly clear, with a low around 47.
Thursday
 
 Sunny, with a high near 69.

 

Forecast from NOAA-NWS for Ben Lomond CA.