NWS Forecast for Ben Lomond CA

National Weather Service Forecast for: Ben Lomond CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA

Updated: 2:06 am PST Nov 2, 2026

Overnight Areas Fog	Monday Areas Fog then Partly Sunny	Monday Night Mostly Cloudy then Patchy Fog	Tuesday Rain Likely and Areas Fog	Tuesday Night Slight Chance Rain and Patchy Fog then Areas Fog	Wednesday Patchy Fog then Sunny	Wednesday Night Partly Cloudy then Patchy Fog	Thursday Areas Fog then Sunny	Thursday Night Mostly Clear then Patchy Fog
Lo 42 °F	Hi 70 °F	Lo 45 °F	Hi 65 °F	Lo 44 °F	Hi 71 °F	Lo 44 °F	Hi 75 °F	Lo 43 °F

Overnight	Areas of fog. Otherwise, partly cloudy, with a low around 42. Calm wind.
Monday	Areas of fog before 8am. Otherwise, partly sunny, with a high near 70. Calm wind.
Monday Night	Patchy fog after midnight. Otherwise, cloudy during the early evening, then becoming partly cloudy, with a low around 45. Calm wind.
Tuesday	Rain likely before 3pm, then a slight chance of rain after 4pm. Areas of fog before 7am. Otherwise, mostly cloudy, with a high near 65. South wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night	A 20 percent chance of rain before 10pm. Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 44. Calm wind.
Wednesday	Patchy fog before 9am. Otherwise, sunny, with a high near 71.
Wednesday Night	Patchy fog after 1am. Otherwise, partly cloudy, with a low around 44.
Thursday	Areas of fog before 8am. Otherwise, mostly sunny, with a high near 75.
Thursday Night	Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 43.
Friday	Areas of fog before 8am. Otherwise, sunny, with a high near 77.
Friday Night	Mostly clear, with a low around 47.
Saturday	Sunny, with a high near 80.
Saturday Night	Mostly clear, with a low around 49.
Sunday	Mostly sunny, with a high near 79.

Forecast from NOAA-NWS for Ben Lomond CA.