Rancho Cucamonga, California Weather:
Wednesday, December 23, 2026
Cloudy Weather
Day 61°
Night 46°
Precipitation 100 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (December 23, 2025)
Rainy Weather

Day

63°

Night

54°

Wind

6 mph

Precipitation

100 %