El Cajon, California Weather:
Thursday, September 3, 2026
Cloudy Weather
Day 90°
Night 64°
Precipitation 6 %
Wind 6 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (September 3, 2025)
Cloudy Night

Day

91°

Night

66°

Wind

5 mph

Precipitation

1 %