Rialto, California Weather:
Saturday, May 2, 2026
Cloudy Weather
Day 82°
Night 55°
Precipitation 4 %
Wind 6 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (May 2, 2025)
Partly Sunny with Showers

Day

77°

Night

54°

Wind

6 mph

UV Index

11

Precipitation

49 %