Rancho Cucamonga, California Weather:
Monday, April 13, 2026
Cloudy Weather
Day 75°
Night 57°
Precipitation 55 %
Wind 4 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (April 13, 2025)
Partly Sunny with Showers

Day

77°

Night

52°

Wind

7 mph

UV Index

9

Precipitation

45 %