Fullerton, California Weather:
Wednesday, April 15, 2026
Rainy Weather
Day 66°
Night 50°
Precipitation 55 %
Wind 4 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (April 15, 2025)
Cloudy Weather

Day

68°

Night

54°

Wind

6 mph

UV Index

9

Precipitation

1 %