National Weather Service Forecast for: El Cajon CA
Issued by: National Weather Service San Diego, CA
Updated: 8:48 pm PST Nov 1, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 52. South wind around 5 mph becoming calm.
Partly Cloudy
Monday

Monday: Sunny, with a high near 75. Calm wind becoming northwest around 5 mph in the afternoon.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 52. Calm wind becoming northeast around 5 mph.
Mostly Clear
Tuesday

Tuesday: Mostly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Mostly Sunny
Tuesday
Night
Tuesday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm  after midnight.
Patchy Fog
Wednesday

Wednesday: Patchy fog before 10am.  Otherwise, sunny, with a high near 78.
Patchy Fog
then Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 54.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 78.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 55.
Mostly Clear
Lo 52 °F Hi 75 °F Lo 52 °F Hi 75 °F Lo 54 °F Hi 78 °F Lo 54 °F Hi 78 °F Lo 55 °F

 

Tonight
 
Partly cloudy, with a low around 52. South wind around 5 mph becoming calm.
Monday
 
Sunny, with a high near 75. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 52. Calm wind becoming northeast around 5 mph.
Tuesday
 
Mostly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
 
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm after midnight.
Wednesday
 
Patchy fog before 10am. Otherwise, sunny, with a high near 78.
Wednesday Night
 
Mostly clear, with a low around 54.
Thursday
 
Sunny, with a high near 78.
Thursday Night
 
Mostly clear, with a low around 55.
Friday
 
Sunny, with a high near 82.
Friday Night
 
Mostly clear, with a low around 57.
Saturday
 
Sunny, with a high near 86.
Saturday Night
 
Mostly clear, with a low around 59.
Sunday
 
Sunny, with a high near 86.

 

Forecast from NOAA-NWS for El Cajon CA.