Rancho Cucamonga, California Weather:
Friday, June 19, 2026
Rainy Weather
Day 82°
Night 59°
Precipitation 0 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (June 19, 2025)
Sunny Weather

Day

88°

Night

59°

Wind

9 mph

UV Index

12

Precipitation

1 %