Rialto, California Weather:
Friday, May 22, 2026
Cloudy Weather
Day 77°
Night 52°
Precipitation 0 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (May 22, 2025)
Sunny Weather

Day

90°

Night

59°

Wind

7 mph

UV Index

11

Precipitation

1 %