**Forecast consensus points to a high in the upper 60s°F for New York City on September 21, 2026, driven by post-frontal cooling and persistent cloud cover following widespread rain on September 20.** Official National Weather Service guidance and multiple model runs indicate northeast winds of 10–15 mph advecting cooler maritime air, with highs near 67–69°F amid mostly cloudy skies and only a slight chance of showers. This setup limits daytime heating compared to the warmer, rainier conditions of September 19–20. Trader sentiment clusters on 68–71°F outcomes because small differences in cloud timing or wind shift could nudge the peak by a degree or two, while probabilities for 72°F+ remain low given the established northerly flow and lack of strong insolation. Updated model runs and local observations through the morning of September 21 will refine the exact maximum before markets resolve.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in NYC on September 21?
70-71°F 43%
68-69°F 36%
72-73°F 15%
66-67°F 5%
59°F or below
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
1%
66-67°F
5%
68-69°F
36%
70-71°F
43%
72-73°F
15%
74-75°F
2%
76-77°F
1%
78°F or higher
<1%
70-71°F 43%
68-69°F 36%
72-73°F 15%
66-67°F 5%
59°F or below
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
1%
66-67°F
5%
68-69°F
36%
70-71°F
43%
72-73°F
15%
74-75°F
2%
76-77°F
1%
78°F or higher
<1%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=klga
This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button.
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.
Binuksan ang Market: Sep 19, 2026, 3:56 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=klgaResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=klga
This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button.
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.weather.gov/wrh/timeseries?site=klgaResolver
0x69c47De9D...**Forecast consensus points to a high in the upper 60s°F for New York City on September 21, 2026, driven by post-frontal cooling and persistent cloud cover following widespread rain on September 20.** Official National Weather Service guidance and multiple model runs indicate northeast winds of 10–15 mph advecting cooler maritime air, with highs near 67–69°F amid mostly cloudy skies and only a slight chance of showers. This setup limits daytime heating compared to the warmer, rainier conditions of September 19–20. Trader sentiment clusters on 68–71°F outcomes because small differences in cloud timing or wind shift could nudge the peak by a degree or two, while probabilities for 72°F+ remain low given the established northerly flow and lack of strong insolation. Updated model runs and local observations through the morning of September 21 will refine the exact maximum before markets resolve.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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