Fontana, California Weather:
Wednesday, June 3, 2026
Cloudy Weather
Day 84°
Night 57°
Precipitation 10 %
Wind 2 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 3, 2025)
Sunny with a Chance of Thunderstorms

Day

79°

Night

61°

Wind

7 mph

UV Index

12

Precipitation

40 %