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Chicago, Illinois Weather:
Friday, September 12, 2025
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 81°
Night 64°
Precipitation 57 %
Wind 4 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (September 12, 2024)

Cloudy WeatherCloudy weather, overcast skies with clouds.

Day

88°

Night

64°

Wind

7 mph

UV Index

5

Precipitation

1