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Rancho Cucamonga, California Weather:
Friday, February 20, 2026
Sunny Weather
Day 63°
Night 41°
Precipitation 5 %
Wind 2 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (February 20, 2025)
Sunny Weather

Day

75°

Night

55°

Wind

9 mph

UV Index

4

Precipitation

0 %