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Rancho Cucamonga, California Weather:
Sunday, January 11, 2026
Rainy Weather
Day 64°
Night 45°
Precipitation 75 %
Wind 2 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 11, 2025)
Sunny Weather

Day

70°

Night

55°

Wind

7 mph

UV Index

3

Precipitation

0 %