El Cajon, California Weather:
Sunday, May 17, 2026
Sunny Weather
Day 77°
Night 57°
Precipitation 84 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (May 17, 2025)
Rainy Weather

Day

64°

Night

55°

Wind

8 mph

UV Index

3

Precipitation

55 %