Rialto, California Weather:
Saturday, November 21, 2026
Cloudy Weather
Day 66°
Night 45°
Precipitation 1 %
Wind 1 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (November 21, 2025)
Cloudy Weather

Day

63°

Night

54°

Wind

14 mph

Precipitation

55 %