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Fontana, California Weather:
Sunday, August 31, 2025
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 93°
Night 59°

Weather Forecast History

Last Year's Weather on This Day (August 31, 2024)

Cloudy WeatherCloudy weather, overcast skies with clouds.

Day

97°

Night

63°

Wind

6 mph

UV Index

9

Precipitation

1