Official National Weather Service observations from LaGuardia Airport (KLGA) station in New York City confirm the highest temperature on April 1, 2026, reached 79°F, placing it firmly in the 78-79°F range with 100% market-implied probability. This peak, recorded amid partly sunny skies and southwest winds gusting over 20 mph, exceeded NWS pre-day forecasts of near 76°F but aligned with ongoing unseasonably warm patterns following March's record early 80°F readings at nearby Central Park. Far above the 55°F climatological normal, the warmth stemmed from persistent high-pressure ridging and southerly air flow. Realistic challenges are minimal—only rare post hoc data revisions by NOAA could alter resolution, as daily summaries are typically finalized swiftly.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in NYC on April 1?
Highest temperature in NYC on April 1?
78-79°F 100.0%
69°F or below <1%
70-71°F <1%
72-73°F <1%
$333,921 Vol.
$333,921 Vol.
69°F or below
No
70-71°F
No
72-73°F
No
74-75°F
No
76-77°F
No
78-79°F
Yes
80-81°F
No
82-83°F
No
84-85°F
No
86-87°F
No
88°F or higher
No
78-79°F 100.0%
69°F or below <1%
70-71°F <1%
72-73°F <1%
$333,921 Vol.
$333,921 Vol.
69°F or below
No
70-71°F
No
72-73°F
No
74-75°F
No
76-77°F
No
78-79°F
Yes
80-81°F
No
82-83°F
No
84-85°F
No
86-87°F
No
88°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.
Market Opened: Mar 29, 2026, 2:37 PM ET
Resolution Source
https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGAResolver
0x69c47De9D...Outcome proposed: Yes
No dispute
Final outcome: 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.
Resolution Source
https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGAResolver
0x69c47De9D...Outcome proposed: Yes
No dispute
Final outcome: Yes
Official National Weather Service observations from LaGuardia Airport (KLGA) station in New York City confirm the highest temperature on April 1, 2026, reached 79°F, placing it firmly in the 78-79°F range with 100% market-implied probability. This peak, recorded amid partly sunny skies and southwest winds gusting over 20 mph, exceeded NWS pre-day forecasts of near 76°F but aligned with ongoing unseasonably warm patterns following March's record early 80°F readings at nearby Central Park. Far above the 55°F climatological normal, the warmth stemmed from persistent high-pressure ridging and southerly air flow. Realistic challenges are minimal—only rare post hoc data revisions by NOAA could alter resolution, as daily summaries are typically finalized swiftly.
Experimental AI-generated summary referencing Polymarket data · Updated
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