Rancho Cucamonga, California Weather:
Tuesday, May 5, 2026
Cloudy Weather
Day 73°
Night 55°
Precipitation 12 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (May 5, 2025)
Cloudy Weather

Day

63°

Night

55°

Wind

7 mph

UV Index

3

Precipitation

25 %