Rancho Cucamonga, California Weather:
Thursday, May 15, 2025
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 77°
Night 55°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 10

Weather Forecast History

Last Year's Weather on This Day (May 15, 2024)

Day

70°

Night

57°