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Rancho Cucamonga, California Weather:
Sunday, March 15, 2026
Rainy Weather
Day 64°
Night 46°
Precipitation 0 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (March 15, 2025)
Cloudy Weather

Day

61°

Night

43°

Wind

6 mph

UV Index

6

Precipitation

1 %