Fullerton, California Weather:
Monday, April 13, 2026
Sunny Weather
Day 70°
Night 50°
Precipitation 5 %
Wind 2 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (April 13, 2025)
Cloudy Weather

Day

72°

Night

54°

Wind

6 mph

UV Index

8

Precipitation

0 %