The National Weather Service's latest forecast for New York City on March 27 pins the high temperature at 66-67°F under partly sunny conditions with light southerly winds, underpinning the market's 96% implied probability and trader consensus backed by real capital. Ensemble model runs from GFS and ECMWF have tightly converged on this mild spring reading—above seasonal norms but short of records—driven by persistent ridging aloft and minimal cold air advection in recent 24-hour updates. Surface observations this morning confirm warming trends, with dew points supporting comfortable highs. Realistic challenges include unexpected marine layer persistence or a late-afternoon frontal boundary, though model disagreement remains low ahead of hourly resolution criteria from Central Park data.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in NYC on March 27?
Highest temperature in NYC on March 27?
66-67°F 98.4%
68°F or higher 1.4%
49°F or below <1%
50-51°F <1%
$228,759 Vol.
$228,759 Vol.
49°F or below
<1%
50-51°F
<1%
52-53°F
<1%
54-55°F
<1%
56-57°F
<1%
58-59°F
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
<1%
66-67°F
98%
68°F or higher
1%
66-67°F 98.4%
68°F or higher 1.4%
49°F or below <1%
50-51°F <1%
$228,759 Vol.
$228,759 Vol.
49°F or below
<1%
50-51°F
<1%
52-53°F
<1%
54-55°F
<1%
56-57°F
<1%
58-59°F
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
<1%
66-67°F
98%
68°F or higher
1%
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 23, 2026, 6:02 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGAResolver
0x69c47De9D...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...The National Weather Service's latest forecast for New York City on March 27 pins the high temperature at 66-67°F under partly sunny conditions with light southerly winds, underpinning the market's 96% implied probability and trader consensus backed by real capital. Ensemble model runs from GFS and ECMWF have tightly converged on this mild spring reading—above seasonal norms but short of records—driven by persistent ridging aloft and minimal cold air advection in recent 24-hour updates. Surface observations this morning confirm warming trends, with dew points supporting comfortable highs. Realistic challenges include unexpected marine layer persistence or a late-afternoon frontal boundary, though model disagreement remains low ahead of hourly resolution criteria from Central Park data.
Experimental AI-generated summary referencing Polymarket data · Updated
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