Fullerton, California Weather:
Friday, May 1, 2026
Sunny Weather
Day 79°
Night 59°
Precipitation 49 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (May 1, 2025)
Cloudy Weather

Day

70°

Night

57°

Wind

6 mph

UV Index

10

Precipitation

5 %