Chicago Weather Records: Historical Highs and Lows
• Chicago's highest recorded temperature was 105°F (41°C) on July 24,
• The lowest temperature ever recorded in Chicago was -27°F (-33°C) on January 20,
• Chicago's record for the most rainfall in a single day is 7.31 inches, recorded on August 14, 1987.
Dramatic extremes define Chicago's weather history
Chicago's weather history, as documented by the National Weather Service, reveals a city of dramatic extremes.
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