Rialto, California Weather:
Wednesday, April 1, 2026
Sunny Weather
Day 66°
Night 43°
Precipitation 65 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (April 1, 2025)
Cloudy Weather

Day

64°

Night

45°

Wind

14 mph

UV Index

7

Precipitation

9 %