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Rancho Cucamonga, California Weather:
Wednesday, January 7, 2026
Cloudy Weather
Day 61°
Night 48°
Precipitation 25 %
Wind 2 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (January 7, 2025)
Partly Sunny with Showers

Day

66°

Night

55°

Wind

24 mph

UV Index

3

Precipitation

65 %