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City of El Cajon, CaliforniaEl Cajon, CA 7-Day Night Weather Forecast
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El Cajon, CA Weather Forecast
El Cajon, CA Weather Forecast Date: 1231 PM PDT Wed Sep 09 2026
The area/counties/county of: San Diego County Valleys, including the cities of: Escondido, El Cajon, San Marcos, La Mesa, Santee, and Poway.or toggle through each period.
Tonight... Mostly clear this evening...Becoming partly cloudy. Lows 72 to 77. Areas of winds west to 10 mph this evening becoming light.
Thursday... Mostly sunny. Highs 93 to 98. Areas of winds southwest to 10 mph.
Thursday Night... Mostly clear. Lows 68 to 73. Light winds.
Friday... Mostly sunny. Highs 87 to 92 in the western valleys to 90 to 95 near the foothills. Areas of winds south to 10 mph.
Friday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 62 to 67. Areas of winds south to 10 mph.
Saturday... Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 82 to 86 in the western valleys to 85 to 90 near the foothills.
Saturday Night... Mostly clear. Lows 57 to 63.
Sunday... Partly cloudy in the morning...Becoming mostly sunny. Highs 81 to 85 in the western valleys to 83 to 88 near the foothills.
Sunday Night... Mostly clear. Lows 55 to 61.
Monday... Partly cloudy in the morning...Becoming sunny. Highs 80 to 84 in the western valleys to 82 to 87 near the foothills.
Monday Night... Mostly clear. Lows 53 to 59.
Tuesday... Partly cloudy in the morning...Becoming sunny. Highs 79 to 82 in the western valleys to 80 to 85 near the foothills.
Tuesday Night... Clear. Lows 52 to 59.
POP = Probability of Precipitation
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