National Weather Service Forecast for: Larkspur CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 9:46 am PDT May 4, 2026
 
Today

Today: A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Partly Sunny
then Slight
Chance Rain
 Tonight

Tonight: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 51. West wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Rain Likely

 Tuesday

Tuesday: A 10 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 66. West wind 3 to 7 mph.
Slight Chance
Rain then
Mostly Sunny
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 51. West wind 3 to 7 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 70. Calm wind becoming west southwest around 6 mph in the afternoon.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 51.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 69.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 50.
Partly Cloudy

 Friday

Friday: Sunny, with a high near 72.
Sunny
Hi 64 °F Lo 51 °F Hi 66 °F Lo 51 °F Hi 70 °F Lo 51 °F Hi 69 °F Lo 50 °F Hi 72 °F

 

Today
 
 A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tonight
 
 Rain likely, mainly after 11pm. Mostly cloudy, with a low around 51. West wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
 
 A 10 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 66. West wind 3 to 7 mph.
Tuesday Night
 
 Partly cloudy, with a low around 51. West wind 3 to 7 mph.
Wednesday
 
 Mostly sunny, with a high near 70. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 51.
Thursday
 
 Mostly sunny, with a high near 69.
Thursday Night
 
 Partly cloudy, with a low around 50.
Friday
 
 Sunny, with a high near 72.
Friday Night
 
 Clear, with a low around 52.
Saturday
 
 Sunny, with a high near 78.
Saturday Night
 
 Clear, with a low around 53.
Sunday
 
 Sunny, with a high near 80.

 

Forecast from NOAA-NWS for Larkspur CA.