**National Weather Service guidance for New York City on August 20 points to a mostly sunny morning with a high near 81°F before clouds increase and a 40-50% chance of showers develops in the afternoon.** This timing of potential convection, combined with light northwest winds and dewpoints in the upper 60s, favors a peak in the low 80s rather than pushing into the mid-80s. Recent model runs show modest spread, with some solutions keeping skies clearer for readings near 82-83°F while others introduce earlier moisture that caps temperatures around 80°F. August climatology places the normal Central Park high near 83°F, but the current pattern—marked by a weaker Bermuda High and higher-than-average monthly temperatures overall—supports the market's tight clustering around the 80-83°F bins as traders weigh official forecasts against ensemble uncertainty and the narrow window for additional warming before any precipitation arrives.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in NYC on August 20?
82-83°F 28%
80-81°F 26%
84-85°F 17%
78-79°F 15%
71°F or below
<1%
72-73°F
<1%
74-75°F
1%
76-77°F
3%
78-79°F
15%
80-81°F
26%
82-83°F
28%
84-85°F
17%
86-87°F
9%
88-89°F
1%
90°F or higher
<1%
82-83°F 28%
80-81°F 26%
84-85°F 17%
78-79°F 15%
71°F or below
<1%
72-73°F
<1%
74-75°F
1%
76-77°F
3%
78-79°F
15%
80-81°F
26%
82-83°F
28%
84-85°F
17%
86-87°F
9%
88-89°F
1%
90°F or higher
<1%
This market will resolve to the temperature range that contains the highest temperature recorded at the LaGuardia Airport Station in degrees Fahrenheit on 20 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the LaGuardia Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Market Opened: Aug 18, 2026, 9:56 PM ET
Resolution Source
https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGAResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the LaGuardia Airport Station in degrees Fahrenheit on 20 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the LaGuardia Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Resolution Source
https://www.wunderground.com/history/daily/us/ny/new-york-city/KLGAResolver
0x69c47De9D...**National Weather Service guidance for New York City on August 20 points to a mostly sunny morning with a high near 81°F before clouds increase and a 40-50% chance of showers develops in the afternoon.** This timing of potential convection, combined with light northwest winds and dewpoints in the upper 60s, favors a peak in the low 80s rather than pushing into the mid-80s. Recent model runs show modest spread, with some solutions keeping skies clearer for readings near 82-83°F while others introduce earlier moisture that caps temperatures around 80°F. August climatology places the normal Central Park high near 83°F, but the current pattern—marked by a weaker Bermuda High and higher-than-average monthly temperatures overall—supports the market's tight clustering around the 80-83°F bins as traders weigh official forecasts against ensemble uncertainty and the narrow window for additional warming before any precipitation arrives.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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