Rialto, California Weather:
Thursday, May 28, 2026
Sunny Weather
Day 79°
Night 55°
Precipitation 1 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (May 28, 2025)
Cloudy Weather

Day

79°

Night

55°

Wind

7 mph

UV Index

10

Precipitation

0 %