Fontana, California Weather:
Sunday, May 3, 2026
Cloudy Weather
Day 79°
Night 54°
Precipitation 12 %
Wind 7 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (May 3, 2025)
Cloudy Weather

Day

66°

Night

54°

Wind

7 mph

UV Index

3

Precipitation

40 %