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Rancho Cucamonga, California Weather:
Wednesday, March 4, 2026
Sunny Weather
Day 64°
Night 43°
Precipitation 5 %
Wind 1 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (March 4, 2025)
Cloudy Weather

Day

64°

Night

46°

Wind

6 mph

UV Index

5

Precipitation

0 %