Rancho Cucamonga, California Weather:
Saturday, March 28, 2026
Cloudy Weather
Day 70°
Night 46°
Precipitation 25 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (March 28, 2025)
Cloudy Weather

Day

64°

Night

52°

Wind

8 mph

UV Index

3

Precipitation

25 %