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Fontana, California Weather:
Wednesday, September 17, 2025
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 90°
Night 57°

Weather Forecast History

Last Year's Weather on This Day (September 17, 2024)

Cloudy WeatherCloudy weather, overcast skies with clouds.

Day

77°

Night

55°

Wind

7 mph

UV Index

7

Precipitation

5