National Weather Service observations at New York City's official Central Park station have already recorded a high of 80°F on March 31, 2026, well exceeding the 74°F threshold and driving trader consensus to 100% implied probability for that outcome. This extreme warmth stems from a persistent high-pressure ridge ushering southerly warm air advection under clear skies, following a month of above-normal temperatures including record 80°F on March 10. Compared to the March climatological normal high of around 52°F, today's reading shatters expectations, with minimal cloud cover and light winds aiding solar heating. Final certification in the NWS daily climatological report, typically issued early April 1, could theoretically revise data due to rare sensor anomalies, but such changes are exceedingly unlikely given multiple confirming observations.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in NYC on March 31?
Highest temperature in NYC on March 31?
74°F or higher 100.0%
55°F or below <1%
56-57°F <1%
58-59°F <1%
$426,000 Vol.
$426,000 Vol.
55°F or below
No
56-57°F
No
58-59°F
No
60-61°F
No
62-63°F
No
64-65°F
No
66-67°F
No
68-69°F
No
70-71°F
No
72-73°F
No
74°F or higher
Yes
74°F or higher 100.0%
55°F or below <1%
56-57°F <1%
58-59°F <1%
$426,000 Vol.
$426,000 Vol.
55°F or below
No
56-57°F
No
58-59°F
No
60-61°F
No
62-63°F
No
64-65°F
No
66-67°F
No
68-69°F
No
70-71°F
No
72-73°F
No
74°F or higher
Yes
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.
Market Opened: Mar 27, 2026, 6:01 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGAResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: 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.
Resolution Source
https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGAResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
National Weather Service observations at New York City's official Central Park station have already recorded a high of 80°F on March 31, 2026, well exceeding the 74°F threshold and driving trader consensus to 100% implied probability for that outcome. This extreme warmth stems from a persistent high-pressure ridge ushering southerly warm air advection under clear skies, following a month of above-normal temperatures including record 80°F on March 10. Compared to the March climatological normal high of around 52°F, today's reading shatters expectations, with minimal cloud cover and light winds aiding solar heating. Final certification in the NWS daily climatological report, typically issued early April 1, could theoretically revise data due to rare sensor anomalies, but such changes are exceedingly unlikely given multiple confirming observations.
Experimental AI-generated summary referencing Polymarket data · Updated
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