National Weather Service Forecast for: Bonsall CA
Issued by: National Weather Service San Diego, CA
Updated: 12:18 am PDT Sep 13, 2026
 
Today

Today: Partly sunny, then gradually becoming sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Becoming
Sunny
 Tonight

Tonight: Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Partly Cloudy
 Monday

Monday: Partly sunny, then gradually becoming sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Becoming
Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 60. West wind around 5 mph becoming calm after midnight.
Partly Cloudy
 Tuesday

Tuesday: Sunny, with a high near 83. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunny
 Tuesday
Night
Tuesday Night: Increasing clouds, with a low around 59.
Increasing
Clouds
 Wednesday

Wednesday: Sunny, with a high near 83.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 59.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 85.
Sunny
Hi 86 °F Lo 62 °F Hi 84 °F Lo 60 °F Hi 83 °F Lo 59 °F Hi 83 °F Lo 59 °F Hi 85 °F

 

Today
 
 Partly sunny, then gradually becoming sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
 
 Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Monday
 
 Partly sunny, then gradually becoming sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
 
 Partly cloudy, with a low around 60. West wind around 5 mph becoming calm after midnight.
Tuesday
 
 Sunny, with a high near 83. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
 Increasing clouds, with a low around 59.
Wednesday
 
 Sunny, with a high near 83.
Wednesday Night
 
 Mostly clear, with a low around 59.
Thursday
 
 Sunny, with a high near 85.
Thursday Night
 
 Clear, with a low around 61.
Friday
 
 Sunny, with a high near 88.
Friday Night
 
 Clear, with a low around 63.
Saturday
 
 Sunny, with a high near 92.

 

Forecast from NOAA-NWS for Bonsall CA.