Rialto, California Weather:
Friday, April 17, 2026
Cloudy Weather
Day 75°
Night 55°
Precipitation 4 %
Wind 6 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (April 17, 2025)
Cloudy Weather

Day

59°

Night

52°

Wind

8 mph

UV Index

3

Precipitation

40 %