Fullerton, California Weather:
Friday, April 3, 2026
Cloudy Weather
Day 70°
Night 48°
Precipitation 1 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (April 3, 2025)
Partly Sunny with Showers

Day

66°

Night

46°

Wind

6 mph

UV Index

8

Precipitation

63 %