Fontana, California Weather:
Saturday, July 18, 2026
Sunny Weather
Day 91°
Night 64°
Precipitation 2 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (July 18, 2025)
Cloudy Weather

Day

88°

Night

63°

Wind

7 mph

UV Index

11

Precipitation

8 %