Ontario, California Weather:
Sunday, July 26, 2026
Sunny Weather
Day 91°
Night 66°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (July 26, 2025)
Cloudy Night

Day

81°

Night

57°

Wind

6 mph

Precipitation

0 %