National Weather Service Forecast for: Bonsall CA
Issued by: National Weather Service San Diego, CA
Updated: 1:29 pm PST Dec 16, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 50. Calm wind.
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 51. Calm wind becoming east around 5 mph.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 81. Calm wind becoming west around 5 mph.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 53. Calm wind.
Mostly Clear
Friday

Friday: Sunny, with a high near 79.
Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 51.
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 75.
Mostly Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 51.
Partly Cloudy
Lo 50 °F Hi 75 °F Lo 51 °F Hi 81 °F Lo 53 °F Hi 79 °F Lo 51 °F Hi 75 °F Lo 51 °F

 

Tonight
 
Partly cloudy, with a low around 50. Calm wind.
Wednesday
 
Mostly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 51. Calm wind becoming east around 5 mph.
Thursday
 
Sunny, with a high near 81. Calm wind becoming west around 5 mph.
Thursday Night
 
Mostly clear, with a low around 53. Calm wind.
Friday
 
Sunny, with a high near 79.
Friday Night
 
Partly cloudy, with a low around 51.
Saturday
 
Mostly sunny, with a high near 75.
Saturday Night
 
Partly cloudy, with a low around 51.
Sunday
 
Mostly sunny, with a high near 75.
Sunday Night
 
Partly cloudy, with a low around 51.
Monday
 
Mostly sunny, with a high near 75.
Monday Night
 
Mostly cloudy, with a low around 51.
Tuesday
 
A slight chance of showers. Partly sunny, then gradually becoming sunny, with a high near 72.

 

Forecast from NOAA-NWS for Bonsall CA.