PolymarketClosedCheck availabilityNo KYCVerified resolution dataWell calibratedThis market resolved: 44-45°F
Resolved: Oct 31, 2026, 6:10 AM
Provider-verified resolution
CoinRithm has provider-backed winner and settlement-time evidence for this market.
Data quality warningStale data
Data as of Oct 31, 2026, 6:03 AM UTC · policy pm-quality-4
Trends
44-45°FWon
39°F or belowLost
40-41°FLost
42-43°FLost
46-47°FLost
48-49°FLost
50-51°FLost
52-53°FLost
54-55°FLost
56-57°FLost
58°F or higherLost
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PolymarketRules
This market will resolve to the temperature range that contains the lowest temperature reported at Chicago O'Hare Intl Airport (KORD) on 30 Oct '26.
- The qualifying value is the lowest temperature reported in the hourly temperature remark of any routine (METAR) observation for Chicago O'Hare Intl Airport (KORD) on that date, in tenths of a degree Celsius as reported.
- A report whose line begins with SPECI is a special observation and does not count.
- Every other report is routine, including one issued off the nominal hour and one that carries no METAR or SPECI label.
- For How to Read the METAR Report, see: https://polymarket-upload.s3.us-east-2.amazonaws.com/market_products/Weather/How+to+Read+the+METAR+Report.pdf
- The hourly temperature remark is the group beginning with the letter T followed by exactly eight digits.