Rancho Cucamonga, California Weather:
Thursday, April 30, 2026
Cloudy Weather
Day 75°
Night 52°
Precipitation 7 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (April 30, 2025)
Partly Sunny with Showers

Day

75°

Night

52°

Wind

7 mph

UV Index

9

Precipitation

49 %