Rancho Cucamonga, California Weather:
Thursday, April 23, 2026
Sunny Weather
Day 72°
Night 48°
Precipitation 20 %
Wind 1 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (April 23, 2025)
Cloudy Weather

Day

66°

Night

50°

Wind

8 mph

UV Index

9

Precipitation

4 %