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Fontana, California Weather:
Tuesday, January 20, 2026
Cloudy Weather
Day 63°
Night 39°
Precipitation 20 %
Wind 6 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 20, 2025)
Windy Weather

Day

64°

Night

41°

Wind

17 mph

UV Index

3

Precipitation

0 %