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Rancho Cucamonga, California Weather:
Thursday, January 29, 2026
Cloudy Weather
Day 68°
Night 45°
Precipitation 20 %
Wind 6 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (January 29, 2025)
Cloudy Weather

Day

57°

Night

45°

Wind

4 mph

UV Index

4

Precipitation

1 %