National Weather Service Forecast for: Larkspur CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 3:06 pm PST Nov 1, 2026
 
Tonight

Tonight: Mostly clear, with a low around 49. Calm wind.
Mostly Clear

 Monday

Monday: Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 66. Calm wind.
Patchy Fog
then Mostly
Cloudy
 Monday
Night
Monday Night: A 40 percent chance of showers after 3am. Mostly cloudy, with a low around 52. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Chance
Showers
 Tuesday

Tuesday: Showers, mainly before 4pm. High near 65. South wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers

 Tuesday
Night
Tuesday Night: A 40 percent chance of showers before 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49. Calm wind.
Chance
Showers then
Patchy Fog
 Wednesday

Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 50.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 71.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 49.
Mostly Clear
Lo 49 °F Hi 66 °F Lo 52 °F Hi 65 °F Lo 49 °F Hi 69 °F Lo 50 °F Hi 71 °F Lo 49 °F

 

Tonight
 
 Mostly clear, with a low around 49. Calm wind.
Monday
 
 Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 66. Calm wind.
Monday Night
 
 A 40 percent chance of showers after 3am. Mostly cloudy, with a low around 52. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Showers, mainly before 4pm. High near 65. South wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 A 40 percent chance of showers before 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49. Calm wind.
Wednesday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69.
Wednesday Night
 
 Partly cloudy, with a low around 50.
Thursday
 
 Sunny, with a high near 71.
Thursday Night
 
 Mostly clear, with a low around 49.
Friday
 
 Sunny, with a high near 73.
Friday Night
 
 Mostly clear, with a low around 51.
Saturday
 
 Sunny, with a high near 74.
Saturday Night
 
 Partly cloudy, with a low around 51.
Sunday
 
 Mostly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Larkspur CA.