Rancho Cucamonga, California Weather:
Thursday, April 9, 2026
Cloudy Weather
Day 75°
Night 55°
Precipitation 4 %
Wind 7 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (April 9, 2025)
Sunny Weather

Day

86°

Night

59°

Wind

6 mph

UV Index

8

Precipitation

1 %