El Cajon, California Weather:
Sunday, May 31, 2026
Sunny Weather
Day 81°
Night 57°
Precipitation 49 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (May 31, 2025)
Sunny with a Chance of Thunderstorms

Day

86°

Night

64°

Wind

4 mph

UV Index

6

Precipitation

88 %