Highest temperature in Chicago on March 26? is a active prediction market event on Polymarket with 11 markets, $468.2K total volume, and $240.3K in liquidity. Key markets: Will the highest temperature in Chicago be 59°F or below on March 26?; Will the highest temperature in Chicago be between 60-61°F on March 26?; Will the highest temperature in Chicago be between 62-63°F on March 26?.