Rancho Cucamonga, California Weather:
Sunday, December 27, 2026
Rainy Weather
Day 63°
Night 43°
Precipitation 1 %
Wind 5 mph
Weather Forecast History
Last Year's Weather on This Day (December 27, 2025)
Cloudy Night

Day

57°

Night

43°

Wind

6 mph

Precipitation

1 %