Rialto, California Weather:
Thursday, April 30, 2026
Cloudy Weather
Day 73°
Night 54°
Precipitation 9 %
Wind 4 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (April 30, 2025)
Cloudy Weather

Day

75°

Night

52°

Wind

6 mph

UV Index

10

Precipitation

40 %