Rialto, California Weather:
Thursday, April 9, 2026
Cloudy Weather
Day 72°
Night 46°
Precipitation 25 %
Wind 2 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (April 9, 2025)
Sunny Weather

Day

88°

Night

57°

Wind

4 mph

UV Index

9

Precipitation

1 %