Highest temperature in Chicago on September 20?

/59°F or below

Weather/Temperature

17 days ago

daily

Ends DateSep 20, 2026

Liq$0

Vol$63.7K

OI$3.38K

Rules

Ref

AI

$63.7K total volume. Resolves Sep 20, 2026. Odds via Polymarket, aggregated by Future.