Ontario, California Weather:
Friday, March 21, 2025
Cloudy WeatherCloudy weather, overcast skies with no rain.
Day 64°
Night 45°
Precipitation 44 %
Wind 1 mph
UV Index (0 - 11+) 2

Weather Forecast History

Last Year's Weather on This Day (March 21, 2024)

Day

72°

Night

50°