National Weather Service Forecast for: Bostonia, CA
Issued by: National Weather Service San Diego, CA
Updated: Tue, 18-Mar-2025 4:10am PDT

El Cajon
 
This
Afternoon
This Afternoon: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Patchy Fog then Sunny
Patchy Fog then Sunny
Monday

Monday: Sunny
Sunny
 
Hi 65 °F Hi 78 °F Hi 73 °F Hi 74 °F Hi 73 °F Hi 77 °F Hi 83 °F  
 
Tonight

Tonight: Clear
Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday
Night
Saturday Night: Partly Cloudy then Patchy Fog
Partly Cloudy then Patchy Fog
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
 
Lo 43 °F Lo 44 °F Lo 44 °F Lo 46 °F Lo 47 °F Lo 51 °F Lo 54 °F  

 

This Afternoon
 
Sunny, with a high near 65. Northwest wind 5 to 10 mph.
Tonight
 
Clear, with a low around 43. Northeast wind 0 to 5 mph.
Wednesday
 
Sunny, with a high near 78. Southwest wind 0 to 10 mph.
Wednesday Night
 
Mostly clear, with a low around 44. Northeast wind 0 to 10 mph.
Thursday
 
Sunny, with a high near 73. West wind 0 to 10 mph.
Thursday Night
 
Mostly clear, with a low around 44.
Friday
 
Sunny, with a high near 74.
Friday Night
 
Mostly clear, with a low around 46.
Saturday
 
Sunny, with a high near 73.
Saturday Night
 
Patchy fog after 5am. Partly cloudy, with a low around 47.
Sunday
 
Patchy fog before 11am. Sunny, with a high near 77.
Sunday Night
 
Mostly clear, with a low around 51.
Monday
 
Sunny, with a high near 83.
Monday Night
 
Mostly clear, with a low around 54.

 

Forecast from NOAA-NWS for Bostonia, CA.