Rancho Cucamonga, California Weather:
Tuesday, December 22, 2026
Cloudy Weather
Day 61°
Night 46°
Precipitation 3 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (December 22, 2025)
Cloudy Night

Day

75°

Night

52°

Wind

4 mph

Precipitation

3 %