National Weather Service Forecast for: Larkspur CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 5:12 am PDT Mar 19, 2026
 
Today

Today: Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunny
Tonight

Tonight: Clear, with a low around 59. Light west northwest wind.
Clear
Friday

Friday: Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Sunny
Friday
Night
Friday Night: Increasing clouds, with a low around 58. West wind 3 to 5 mph.
Increasing
Clouds
Saturday

Saturday: Partly sunny, with a high near 80. West northwest wind 3 to 8 mph.
Partly Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 53.
Mostly Clear
Sunday

Sunday: Mostly sunny, with a high near 77.
Mostly Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 50.
Mostly Clear
Monday

Monday: Sunny, with a high near 75.
Sunny
Hi 90 °F Lo 59 °F Hi 89 °F Lo 58 °F Hi 80 °F Lo 53 °F Hi 77 °F Lo 50 °F Hi 75 °F

Heat Advisory
 

Today
 
Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.
Tonight
 
Clear, with a low around 59. Light west northwest wind.
Friday
 
Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
 
Increasing clouds, with a low around 58. West wind 3 to 5 mph.
Saturday
 
Partly sunny, with a high near 80. West northwest wind 3 to 8 mph.
Saturday Night
 
Mostly clear, with a low around 53.
Sunday
 
Mostly sunny, with a high near 77.
Sunday Night
 
Mostly clear, with a low around 50.
Monday
 
Sunny, with a high near 75.
Monday Night
 
Mostly clear, with a low around 53.
Tuesday
 
Sunny, with a high near 76.
Tuesday Night
 
Mostly clear, with a low around 52.
Wednesday
 
Sunny, with a high near 71.

 

Forecast from NOAA-NWS for Larkspur CA.