National Weather Service forecast models have consistently projected a daily high of 66–67°F in New York City on May 21, following a brief heat wave with highs in the 90s on May 18–20. Stable high-pressure systems and limited moisture advection suppressed warming, producing cooler northerly flow and clear skies that aligned with climatological norms for late May. This strong model consensus, backed by multiple runs and surface observations, drove trader sentiment toward the 66–67°F outcome at near-100% implied probability. Unexpected shifts in steering patterns or delayed frontal passage could have allowed modest warming above 68°F, though current data show low likelihood of such revisions.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoHighest temperature in NYC on May 21?
66-67°F 100.0%
59°F or below <1%
60-61°F <1%
62-63°F <1%
$109,615 Vol.
$109,615 Vol.
59°F or below
No
60-61°F
No
62-63°F
No
64-65°F
No
66-67°F
Yes
68-69°F
No
70-71°F
No
72-73°F
No
74-75°F
No
76-77°F
No
78°F or higher
No
66-67°F 100.0%
59°F or below <1%
60-61°F <1%
62-63°F <1%
$109,615 Vol.
$109,615 Vol.
59°F or below
No
60-61°F
No
62-63°F
No
64-65°F
No
66-67°F
Yes
68-69°F
No
70-71°F
No
72-73°F
No
74-75°F
No
76-77°F
No
78°F or higher
No
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 LaGuardia Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGA.
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.
Mercato aperto: May 19, 2026, 12:07 AM ET
Fonte di risoluzione
https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGAResolver
0x69c47De9D...Esito proposto: No
Nessuna contestazione
Esito finale: No
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 LaGuardia Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGA.
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.
Fonte di risoluzione
https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGAResolver
0x69c47De9D...Esito proposto: No
Nessuna contestazione
Esito finale: No
National Weather Service forecast models have consistently projected a daily high of 66–67°F in New York City on May 21, following a brief heat wave with highs in the 90s on May 18–20. Stable high-pressure systems and limited moisture advection suppressed warming, producing cooler northerly flow and clear skies that aligned with climatological norms for late May. This strong model consensus, backed by multiple runs and surface observations, drove trader sentiment toward the 66–67°F outcome at near-100% implied probability. Unexpected shifts in steering patterns or delayed frontal passage could have allowed modest warming above 68°F, though current data show low likelihood of such revisions.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
Fai attenzione ai link esterni.
Fai attenzione ai link esterni.
Domande frequenti