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Fullerton, California Weather:
Monday, January 26, 2026
Cloudy Weather
Day 70°
Night 48°
Precipitation 10 %
Wind 2 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 26, 2025)
Rainy Weather

Day

57°

Night

45°

Wind

7 mph

UV Index

1

Precipitation

100 %