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Fullerton, California Weather:
Friday, January 2, 2026
Rainy Weather
Day 63°
Night 48°
Precipitation 70 %
Wind 4 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 2, 2025)
Cloudy Weather

Day

75°

Night

48°

Wind

2 mph

UV Index

3

Precipitation

0 %