Rialto, California Weather:
Wednesday, May 27, 2026
Sunny Weather
Day 77°
Night 52°
Precipitation 1 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (May 27, 2025)
Cloudy Weather

Day

86°

Night

57°

Wind

6 mph

UV Index

12

Precipitation

0 %