Fontana, California Weather:
Wednesday, January 21, 2026
Cloudy Weather
Day 73°
Night 48°
Precipitation 0 %
Wind 1 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (January 21, 2025)
Cloudy Weather

Day

68°

Night

43°

Wind

14 mph

UV Index

3

Precipitation

0 %