Rialto, California Weather:
Tuesday, August 11, 2026
Cloudy Weather
Day 95°
Night 66°
Precipitation 1 %
Wind 8 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (August 11, 2025)
Night

Day

95°

Night

68°

Wind

5 mph

Precipitation

0 %