Rancho Cucamonga, California Weather:
Friday, April 3, 2026
Cloudy Weather
Day 72°
Night 46°
Precipitation 2 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (April 3, 2025)
Partly Sunny with Showers

Day

63°

Night

45°

Wind

7 mph

UV Index

8

Precipitation

55 %