Ontario, California Weather:
Sunday, June 1, 2025
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 55°
Precipitation 10 %
Wind 1 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (June 1, 2024)

Day

73°

Night

57°