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Fullerton, California Weather:
Thursday, March 12, 2026
Cloudy Weather
Day 73°
Night 54°
Precipitation 100 %
Wind 8 mph
Weather Forecast History
Last Year's Weather on This Day (March 12, 2025)
Rainy Weather

Day

63°

Night

50°

Wind

9 mph

UV Index

2

Precipitation

84 %