Rancho Cucamonga, California Weather:
Saturday, December 26, 2026
Stormy Weather
Day 63°
Night 39°
Precipitation 55 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (December 26, 2025)
Rainy Weather

Day

54°

Night

48°

Wind

6 mph

Precipitation

55 %