National Weather Service Forecast for: Bonsall CA
Issued by: National Weather Service San Diego, CA
Updated: 12:35 pm PST Dec 22, 2025
 
Tonight

Tonight: Cloudy, with a low around 52. Calm wind.
Cloudy

 Tuesday

Tuesday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 66. South wind 5 to 10 mph becoming light in the afternoon. Chance of precipitation is 60%.
Slight Chance
Showers then
Showers
Likely
 Tuesday
Night
Tuesday Night: Showers. Low around 55. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Showers

 Wednesday

Wednesday: Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 66. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Heavy Rain

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 56. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain

 Christmas
Day
Christmas Day: Showers. High near 66. Chance of precipitation is 80%.
Showers

 Thursday
Night
Thursday Night: Showers. Low around 52. Chance of precipitation is 80%.
Showers

 Friday

Friday: Showers. Mostly cloudy, with a high near 62.
Showers

 Friday
Night
Friday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Showers
Likely
Lo 52 °F Hi 66 °F Lo 55 °F Hi 66 °F Lo 56 °F Hi 66 °F Lo 52 °F Hi 62 °F Lo 45 °F

Flood Watch
Wind Advisory
 

Tonight
 
 Cloudy, with a low around 52. Calm wind.
Tuesday
 
 Showers likely, mainly after 4pm. Mostly cloudy, with a high near 66. South wind 5 to 10 mph becoming light in the afternoon. Chance of precipitation is 60%.
Tuesday Night
 
 Showers. Low around 55. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
 
 Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 66. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 56. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Christmas Day
 
 Showers. High near 66. Chance of precipitation is 80%.
Thursday Night
 
 Showers. Low around 52. Chance of precipitation is 80%.
Friday
 
 Showers. Mostly cloudy, with a high near 62.
Friday Night
 
 Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Saturday
 
 A chance of showers, mainly before 10am. Mostly sunny, with a high near 62.
Saturday Night
 
 A slight chance of showers. Partly cloudy, with a low around 43.
Sunday
 
 Sunny, with a high near 65.
Sunday Night
 
 Partly cloudy, with a low around 45.
Monday
 
 A slight chance of showers. Mostly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Bonsall CA.