Rancho Cucamonga, California Weather:
Friday, October 30, 2026
Rainy Weather
Day 72°
Night 61°
Precipitation 56 %
Wind 5 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (October 30, 2025)
Night

Day

90°

Night

59°

Wind

6 mph

Precipitation

0 %