National Weather Service Forecast for: Bonsall CA
Issued by: National Weather Service San Diego, CA
Updated: 12:14 pm PDT Apr 6, 2026
 
Tonight

Tonight: Increasing clouds, with a low around 50. Southwest wind around 5 mph becoming calm.
Increasing
Clouds
 Tuesday

Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Decreasing
Clouds
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Partly Cloudy
 Wednesday

Wednesday: Mostly sunny, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Increasing clouds, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Increasing
Clouds
 Thursday

Thursday: Partly sunny, with a high near 77.
Partly Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 53.
Mostly Cloudy
 Friday

Friday: Mostly cloudy, then gradually becoming sunny, with a high near 76.
Decreasing
Clouds
 Friday
Night
Friday Night: A chance of showers, mainly after 11pm. Increasing clouds, with a low around 53.
Chance
Showers
Lo 50 °F Hi 78 °F Lo 52 °F Hi 79 °F Lo 53 °F Hi 77 °F Lo 53 °F Hi 76 °F Lo 53 °F

 

Tonight
 
 Increasing clouds, with a low around 50. Southwest wind around 5 mph becoming calm.
Tuesday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
 Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
 Mostly sunny, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 Increasing clouds, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Thursday
 
 Partly sunny, with a high near 77.
Thursday Night
 
 Mostly cloudy, with a low around 53.
Friday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 76.
Friday Night
 
 A chance of showers, mainly after 11pm. Increasing clouds, with a low around 53.
Saturday
 
 Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 69.
Saturday Night
 
 A chance of showers. Mostly cloudy, with a low around 52.
Sunday
 
 A chance of showers. Partly sunny, with a high near 67.
Sunday Night
 
 A slight chance of showers. Mostly cloudy, with a low around 50.
Monday
 
 Partly sunny, with a high near 71.

 

Forecast from NOAA-NWS for Bonsall CA.