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Rancho Cucamonga, California Weather:
Wednesday, February 4, 2026
Cloudy Weather
Day 63°
Night 46°
Precipitation 25 %
Wind 1 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (February 4, 2025)
Cloudy Weather

Day

61°

Night

52°

Wind

6 mph

UV Index

3

Precipitation

25 %