National Weather Service Forecast for: El Cajon CA
Issued by: National Weather Service San Diego, CA
Updated: 2:23 am PDT Jun 1, 2025
 
Overnight

Overnight: A slight chance of showers. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Slight Chance
Showers
 Sunday

Sunday: A chance of showers. Mostly cloudy, with a high near 82. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Sunday
Night
Sunday Night: A chance of showers before 11pm. Partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Chance
Showers then
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning.
Mostly Sunny

 Monday
Night
Monday Night: Increasing clouds, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Increasing
Clouds
 Tuesday

Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 76.
Decreasing
Clouds
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 55.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 78.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 57.
Mostly Clear
Lo 63 °F Hi 82 °F Lo 60 °F Hi 78 °F Lo 57 °F Hi 76 °F Lo 55 °F Hi 78 °F Lo 57 °F

 

Overnight
 
 A slight chance of showers. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Sunday
 
 A chance of showers. Mostly cloudy, with a high near 82. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
 
 A chance of showers before 11pm. Partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
 
 Mostly sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
 
 Increasing clouds, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 76.
Tuesday Night
 
 Mostly clear, with a low around 55.
Wednesday
 
 Sunny, with a high near 78.
Wednesday Night
 
 Mostly clear, with a low around 57.
Thursday
 
 Sunny, with a high near 80.
Thursday Night
 
 Mostly clear, with a low around 58.
Friday
 
 Sunny, with a high near 79.
Friday Night
 
 Partly cloudy, with a low around 57.
Saturday
 
 Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for El Cajon CA.