Fullerton, California Weather:
Wednesday, March 4, 2026
Sunny Weather
Day 64°
Night 45°
Precipitation 5 %
Wind 5 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (March 4, 2025)
Cloudy Weather

Day

66°

Night

46°

Wind

6 mph

UV Index

5

Precipitation

0 %