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Rancho Cucamonga, California Weather:
Friday, January 9, 2026
Cloudy Weather
Day 61°
Night 45°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 9, 2025)
Sunny Weather

Day

72°

Night

50°

Wind

14 mph

UV Index

3

Precipitation

0 %