Current National Weather Service forecasts and ensemble guidance point to a daytime high near 79°F in Chicago on May 18, driven by southerly flow ahead of a warm front that is advecting warmer air masses well above the climatological normal of 71°F. This setup, supported by consistent short-range model runs and minimal forecast spread, underpins the market’s strong 84% implied probability for 78°F or higher. Any shift below that threshold would require an unexpected cold-air intrusion or major model revision, though stable steering patterns and the short forecast horizon make such changes unlikely. Updated NWS guidance over the next 24–48 hours will further refine the exact maximum before resolution.
Polymarket 데이터를 참조하는 실험적 AI 생성 요약입니다. 이것은 거래 조언이 아니며 이 마켓의 정산에 영향을 미치지 않습니다. · 업데이트5월 18일에 시카고에서 가장 높은 기온을 기록하셨나요?
78°F 이상 78%
76-77°F 14%
74-75°F 2.4%
72-73°F <1%
$21,374 거래량
$21,374 거래량
59°F 이하
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
<1%
66-67°F
<1%
68-69°F
<1%
70-71°F
<1%
72-73°F
<1%
74-75°F
2%
76-77°F
14%
78°F 이상
78%
78°F 이상 78%
76-77°F 14%
74-75°F 2.4%
72-73°F <1%
$21,374 거래량
$21,374 거래량
59°F 이하
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
<1%
66-67°F
<1%
68-69°F
<1%
70-71°F
<1%
72-73°F
<1%
74-75°F
2%
76-77°F
14%
78°F 이상
78%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Chicago O'Hare Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
마켓 개설일: May 16, 2026, 12:04 AM ET
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Chicago O'Hare Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Current National Weather Service forecasts and ensemble guidance point to a daytime high near 79°F in Chicago on May 18, driven by southerly flow ahead of a warm front that is advecting warmer air masses well above the climatological normal of 71°F. This setup, supported by consistent short-range model runs and minimal forecast spread, underpins the market’s strong 84% implied probability for 78°F or higher. Any shift below that threshold would require an unexpected cold-air intrusion or major model revision, though stable steering patterns and the short forecast horizon make such changes unlikely. Updated NWS guidance over the next 24–48 hours will further refine the exact maximum before resolution.
Polymarket 데이터를 참조하는 실험적 AI 생성 요약입니다. 이것은 거래 조언이 아니며 이 마켓의 정산에 영향을 미치지 않습니다. · 업데이트
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