Persistent northeasterly flow and widespread cloud cover with showers from a slow-moving system are holding Chicago overnight lows in the upper 50s to mid-60s for September 20. Cool air advection combined with high humidity and moderate winds limits radiational cooling, while the lack of clear skies prevents sharper drops. Recent model runs show tight agreement on minimum temperatures near 59–64 °F at official stations, aligning with the market’s leading 62–65 °F bins at 60 % combined implied probability. Historical September averages near 57 °F provide context, but current steering patterns favor a milder outcome unless stronger cold-air intrusion develops. Updated NWS guidance and late-day observations will refine resolution criteria before the calendar day ends.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · AktualisiertNiedrigste Temperatur in Chicago am 20. September?
Niedrigste Temperatur in Chicago am 20. September?
60-61°F 39%
62-63°F 30%
64-65°F 30%
58-59°F 19%
NEU
NEU
20. Sep. 2026
53°F oder weniger
5%
54-55°F
7%
56-57°F
11%
58-59°F
19%
60-61°F
39%
62-63°F
30%
64-65°F
30%
66-67°F
19%
68-69°F
11%
70-71 °F
7%
72°F oder höher
5%
60-61°F 39%
62-63°F 30%
64-65°F 30%
58-59°F 19%
NEU
NEU
20. Sep. 2026
53°F oder weniger
$0 Vol.
5%
54-55°F
$0 Vol.
7%
56-57°F
$0 Vol.
11%
58-59°F
$0 Vol.
19%
60-61°F
$0 Vol.
39%
62-63°F
$0 Vol.
30%
64-65°F
$0 Vol.
30%
66-67°F
$0 Vol.
19%
68-69°F
$0 Vol.
11%
70-71 °F
$0 Vol.
7%
72°F oder höher
$0 Vol.
5%
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 20 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord
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.Persistent northeasterly flow and widespread cloud cover with showers from a slow-moving system are holding Chicago overnight lows in the upper 50s to mid-60s for September 20. Cool air advection combined with high humidity and moderate winds limits radiational cooling, while the lack of clear skies prevents sharper drops. Recent model runs show tight agreement on minimum temperatures near 59–64 °F at official stations, aligning with the market’s leading 62–65 °F bins at 60 % combined implied probability. Historical September averages near 57 °F provide context, but current steering patterns favor a milder outcome unless stronger cold-air intrusion develops. Updated NWS guidance and late-day observations will refine resolution criteria before the calendar day ends.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 20 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord
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.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord
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.
Markt eröffnet: Sep 18, 2026, 3:29 AM ET
Volumen
$0Enddatum
20. Sep. 2026Markt eröffnet
Sep 18, 2026, 3:29 AM ETAbwicklungsquelle
https://www.weather.gov/wrh/timeseries?site=kordAbwickler
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 20 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord
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.Persistent northeasterly flow and widespread cloud cover with showers from a slow-moving system are holding Chicago overnight lows in the upper 50s to mid-60s for September 20. Cool air advection combined with high humidity and moderate winds limits radiational cooling, while the lack of clear skies prevents sharper drops. Recent model runs show tight agreement on minimum temperatures near 59–64 °F at official stations, aligning with the market’s leading 62–65 °F bins at 60 % combined implied probability. Historical September averages near 57 °F provide context, but current steering patterns favor a milder outcome unless stronger cold-air intrusion develops. Updated NWS guidance and late-day observations will refine resolution criteria before the calendar day ends.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 20 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord
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.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord
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.
Volumen
$0Enddatum
20. Sep. 2026Markt eröffnet
Sep 18, 2026, 3:29 AM ETAbwicklungsquelle
https://www.weather.gov/wrh/timeseries?site=kordAbwickler
0x69c47De9D...Persistent northeasterly flow and widespread cloud cover with showers from a slow-moving system are holding Chicago overnight lows in the upper 50s to mid-60s for September 20. Cool air advection combined with high humidity and moderate winds limits radiational cooling, while the lack of clear skies prevents sharper drops. Recent model runs show tight agreement on minimum temperatures near 59–64 °F at official stations, aligning with the market’s leading 62–65 °F bins at 60 % combined implied probability. Historical September averages near 57 °F provide context, but current steering patterns favor a milder outcome unless stronger cold-air intrusion develops. Updated NWS guidance and late-day observations will refine resolution criteria before the calendar day ends.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert
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