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Rancho Cucamonga, California Weather:
Friday, January 2, 2026
Rainy Weather
Day 66°
Night 55°
Precipitation 55 %
Wind 5 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 2, 2025)
Sunny Weather

Day

82°

Night

54°

Wind

4 mph

UV Index

3

Precipitation

0 %