Rialto, California Weather:
Monday, October 19, 2026
Sunny Weather
Day 82°
Night 57°
Precipitation 5 %
Wind 2 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (October 19, 2025)
Cloudy Night

Day

84°

Night

55°

Wind

4 mph

Precipitation

0 %