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Rancho Cucamonga, California Weather:
Wednesday, August 20, 2025
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 99°
Night 66°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 10

Weather Forecast History

Last Year's Weather on This Day (August 20, 2024)

Sunny WeatherSunny weather, clear skies and sunny weather.

Day

104°

Night

70°

Wind

8 mph

UV Index

10

Precipitation

0