El Cajon, California Weather:
Wednesday, January 21, 2026
Cloudy Weather
Day 66°
Night 45°
Precipitation 20 %
Wind 2 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 21, 2025)
Cloudy Weather

Day

73°

Night

39°

Wind

9 mph

UV Index

3

Precipitation

0 %