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Fullerton, California Weather:
Thursday, February 5, 2026
Sunny Weather
Day 63°
Night 43°
Precipitation 5 %
Wind 5 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (February 5, 2025)
Rainy Weather

Day

64°

Night

54°

Wind

6 mph

UV Index

1

Precipitation

59 %