Rancho Cucamonga, California Weather:
Sunday, April 12, 2026
Partly Sunny with Showers
Day 70°
Night 55°
Precipitation 75 %
Wind 9 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (April 12, 2025)
Cloudy Weather

Day

81°

Night

54°

Wind

7 mph

UV Index

9

Precipitation

1 %