Rialto, California Weather:
Saturday, October 31, 2026
Rainy Weather
Day 66°
Night 54°
Precipitation 35 %
Wind 1 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (October 31, 2025)
Night

Day

82°

Night

55°

Wind

5 mph

Precipitation

0 %