Rialto, California Weather:
Monday, April 13, 2026
Sunny Weather
Day 70°
Night 45°
Precipitation 5 %
Wind 1 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (April 13, 2025)
Cloudy Weather

Day

77°

Night

52°

Wind

7 mph

UV Index

9

Precipitation

40 %