El Cajon, California Weather:
Friday, September 4, 2026
Cloudy Weather
Day 88°
Night 66°
Precipitation 6 %
Wind 6 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (September 4, 2025)
Cloudy Night

Day

91°

Night

64°

Wind

5 mph

Precipitation

1 %