NWS Forecast for El Cajon CA

National Weather Service Forecast for: El Cajon CA
Issued by: National Weather Service San Diego, CA

Updated: 12:29 am PDT Jun 22, 2026

Today Becoming Sunny	Tonight Patchy Fog	Tuesday Patchy Fog then Mostly Sunny	Tuesday Night Patchy Fog	Wednesday Patchy Fog then Sunny	Wednesday Night Patchy Fog	Thursday Patchy Fog then Sunny	Thursday Night Partly Cloudy	Friday Mostly Sunny
Hi 82 °F	Lo 62 °F	Hi 86 °F	Lo 65 °F	Hi 88 °F	Lo 64 °F	Hi 86 °F	Lo 62 °F	Hi 85 °F

Today	Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Light northwest wind becoming west 5 to 10 mph in the morning.
Tonight	Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62. West wind around 5 mph becoming calm in the evening.
Tuesday	Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Light west wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night	Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening.
Wednesday	Patchy fog before 11am. Otherwise, mostly sunny, with a high near 88. Light northwest wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night	Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64.
Thursday	Patchy fog before 11am. Otherwise, mostly sunny, with a high near 86.
Thursday Night	Partly cloudy, with a low around 62.
Friday	Mostly sunny, with a high near 85.
Friday Night	Mostly clear, with a low around 60.
Saturday	Mostly sunny, with a high near 84.
Saturday Night	Increasing clouds, with a low around 61.
Sunday	Mostly cloudy through mid morning, then gradual clearing, with a high near 78.

Forecast from NOAA-NWS for El Cajon CA.