City forecast
Chicago Weather
Chicago is known for dramatic seasonal swings, lake-effect weather, and famously windy conditions.
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Climate overview
Humid continental climate. Summers are warm and humid (avg 84°F), winters are cold and snowy (avg 30°F). Lake Michigan moderates temperatures near the shore.
Best time to visit
May through October is generally most comfortable, with June and September offering the best balance of warmth and lower humidity.