Rialto, California Weather:
Saturday, May 16, 2026
Sunny Weather
Day 81°
Night 55°
Precipitation 10 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (May 16, 2025)
Cloudy Weather

Day

79°

Night

54°

Wind

7 mph

UV Index

11

Precipitation

1 %