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Rancho Cucamonga, California Weather:
Friday, March 13, 2026
Cloudy Weather
Day 70°
Night 48°
Precipitation 40 %
Wind 8 mph
Weather Forecast History
Last Year's Weather on This Day (March 13, 2025)
Sunny with a Chance of Thunderstorms

Day

54°

Night

39°

Wind

12 mph

UV Index

2

Precipitation

100 %