Fullerton, California Weather:
Tuesday, October 13, 2026
Sunny Weather
Day 82°
Night 61°
Precipitation 1 %
Wind 5 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (October 13, 2025)
Rainy Weather

Day

70°

Night

59°

Wind

8 mph

Precipitation

100 %