Fullerton, California Weather:
Monday, May 12, 2025
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 79°
Night 61°
Precipitation 10 %
Wind 4 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (May 12, 2024)

Day

73°

Night

61°