Rancho Cucamonga, California Weather:
Monday, June 29, 2026
Cloudy Weather
Day 81°
Night 59°
Precipitation 4 %
Wind 7 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 29, 2025)
Sunny Weather

Day

97°

Night

64°

Wind

8 mph

UV Index

12

Precipitation

0 %