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Fullerton, California Weather:
Wednesday, February 4, 2026
Rainy Weather
Day 63°
Night 45°
Precipitation 69 %
Wind 4 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (February 4, 2025)
Cloudy Weather

Day

64°

Night

54°

Wind

4 mph

UV Index

2

Precipitation

40 %