Rialto, California Weather:
Tuesday, May 12, 2026
Sunny Weather
Day 82°
Night 57°
Precipitation 30 %
Wind 8 mph
Weather Forecast History
Last Year's Weather on This Day (May 12, 2025)
Cloudy Weather

Day

77°

Night

52°

Wind

12 mph

UV Index

11

Precipitation

2 %