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Rancho Cucamonga, California Weather:
Monday, March 30, 2026
Cloudy Weather
Day 70°
Night 52°
Precipitation 90 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (March 30, 2025)
Partly Sunny with Showers

Day

64°

Night

52°

Wind

8 mph

UV Index

2

Precipitation

49 %