National Weather Service Forecast for: Larkspur CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 2:54 pm PST Dec 22, 2025
 
Tonight

Tonight: Rain likely.  Patchy fog before 11pm.  Otherwise, cloudy, with a low around 51. Calm wind becoming south southeast around 5 mph after midnight.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Rain Likely
and Patchy
Fog
Tuesday

Tuesday: Rain.  High near 57. South wind 9 to 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Rain

Tuesday
Night
Tuesday Night: Rain.  Low around 49. Breezy, with a south wind 18 to 22 mph, with gusts as high as 46 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Rain and
Breezy
Wednesday

Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm.  High near 57. South southeast wind 7 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe.  Low around 50. South southeast wind 17 to 20 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers then
Severe
T-Storms
Christmas
Day
Christmas Day: Showers and possibly a thunderstorm before 7am, then rain between 7am and 10am, then showers and possibly a thunderstorm after 10am.  High near 54. Breezy.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and
Breezy
Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm.  Low around 47. Chance of precipitation is 100%.
Showers

Friday

Friday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm.  Cloudy, with a high near 53.
Showers

Friday
Night
Friday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 44.
Rain Likely

Lo 51 °F Hi 57 °F Lo 49 °F Hi 57 °F Lo 50 °F Hi 54 °F Lo 47 °F Hi 53 °F Lo 44 °F

Flood Watch
Wind Advisory
 

Tonight
 
Rain likely. Patchy fog before 11pm. Otherwise, cloudy, with a low around 51. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
 
Rain. High near 57. South wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
 
Rain. Low around 49. Breezy, with a south wind 18 to 22 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
 
Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 57. South southeast wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe. Low around 50. South southeast wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Christmas Day
 
Showers and possibly a thunderstorm before 7am, then rain between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 54. Breezy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
 
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 47. Chance of precipitation is 100%.
Friday
 
Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 53.
Friday Night
 
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44.
Saturday
 
A slight chance of rain before 10am. Mostly sunny, with a high near 54.
Saturday Night
 
Mostly clear, with a low around 41.
Sunday
 
Sunny, with a high near 53.
Sunday Night
 
Mostly clear, with a low around 41.
Monday
 
Sunny, with a high near 53.

 

Forecast from NOAA-NWS for Larkspur CA.