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Rancho Cucamonga, California Weather:
Tuesday, January 6, 2026
Rainy Weather
Day 59°
Night 46°
Precipitation 80 %
Wind 5 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 6, 2025)
Cloudy Weather

Day

72°

Night

50°

Wind

4 mph

UV Index

3

Precipitation

0 %