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Fontana, California Weather:
Monday, January 12, 2026
Cloudy Weather
Day 63°
Night 45°
Precipitation 25 %
Wind 1 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 12, 2025)
Sunny Weather

Day

61°

Night

48°

Wind

11 mph

UV Index

3

Precipitation

0 %