Rancho Cucamonga, California Weather:
Sunday, April 26, 2026
Sunny Weather
Day 79°
Night 52°
Precipitation 5 %
Wind 1 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (April 26, 2025)
Stormy Weather

Day

55°

Night

46°

Wind

8 mph

UV Index

3

Precipitation

99 %