National Weather Service Forecast for: Larkspur CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:55 pm PST Dec 22, 2025
 
Overnight

Overnight: A 50 percent chance of rain. Areas of fog. Otherwise, cloudy, with a low around 53. Light south southeast wind. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Areas Fog
 Tuesday

Tuesday: Rain likely, mainly after 4pm. Areas of fog before 9am. Otherwise, cloudy, with a high near 60. South southeast wind 7 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely
and Areas Fog
 Tuesday
Night
Tuesday Night: Rain. Low around 52. Breezy, with a south southeast wind 16 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Rain and
Breezy
 Wednesday

Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 59. Calm wind becoming south southeast 5 to 9 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Rain then
Severe
T-Storms
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Some of the storms could be severe. Low around 51. South southeast wind 15 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Severe
T-Storms
then Rain
 Christmas
Day
Christmas Day: Showers and possibly a thunderstorm. High near 56. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 1am, then rain after 1am. Low around 48. Chance of precipitation is 100%.
Showers

 Friday

Friday: Rain. Cloudy, with a high near 55.
Rain

 Friday
Night
Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Rain Likely
Lo 53 °F Hi 60 °F Lo 52 °F Hi 59 °F Lo 51 °F Hi 56 °F Lo 48 °F Hi 55 °F Lo 45 °F

Flood Watch
Wind Advisory
 

Overnight
 
 A 50 percent chance of rain. Areas of fog. Otherwise, cloudy, with a low around 53. Light south southeast wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Rain likely, mainly after 4pm. Areas of fog before 9am. Otherwise, cloudy, with a high near 60. South southeast wind 7 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 Rain. Low around 52. Breezy, with a south southeast wind 16 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 59. Calm wind becoming south southeast 5 to 9 mph in the morning. Chance of precipitation is 80%. 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 after 7pm. Some of the storms could be severe. Low around 51. South southeast wind 15 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Christmas Day
 
 Showers and possibly a thunderstorm. High near 56. 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 1am, then rain after 1am. Low around 48. Chance of precipitation is 100%.
Friday
 
 Rain. Cloudy, with a high near 55.
Friday Night
 
 Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Saturday
 
 A slight chance of rain before 10am. Mostly sunny, with a high near 55.
Saturday Night
 
 Mostly clear, with a low around 42.
Sunday
 
 Sunny, with a high near 55.
Sunday Night
 
 Mostly clear, with a low around 42.
Monday
 
 Mostly sunny, with a high near 55.

 

Forecast from NOAA-NWS for Larkspur CA.