**Overnight radiative cooling under partly to mostly cloudy skies with scattered showers and southwest winds around 10 mph will determine Chicago's September 15 minimum.** Official NWS guidance and ensemble forecasts show the low occurring late tonight or early September 16 morning, with most model runs clustering in the mid-60s amid dew points near 55–60 °F and limited clear-sky periods that moderate temperature drops. Historical September 15 averages near 59 °F provide context, yet current atmospheric moisture and cloud cover raise the floor relative to drier analogs. This spread in forecast minima—driven by small differences in boundary-layer mixing and precipitation timing—explains the tight clustering of market-implied odds across the 62–69 °F bins versus the 59 °F-or-below outcome, with traders weighing the latest model runs and observational updates through the evening.
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-updateLowest temperature in Chicago on September 15?
Lowest temperature in Chicago on September 15?
59°F or below 42%
68-69°F 37%
64-65°F 36%
66-67°F 36%
BAGO
BAGO
Sep 15, 2026
59°F or below
42%
60-61°F
18%
62-63°F
36%
64-65°F
36%
66-67°F
36%
68-69°F
37%
70-71°F
<1%
72-73°F
<1%
74-75°F
<1%
76-77°F
<1%
78°F or higher
<1%
59°F or below 42%
68-69°F 37%
64-65°F 36%
66-67°F 36%
BAGO
BAGO
Sep 15, 2026
59°F or below
$0 Vol.
42%
60-61°F
$0 Vol.
18%
62-63°F
$0 Vol.
36%
64-65°F
$0 Vol.
36%
66-67°F
$0 Vol.
36%
68-69°F
$75 Vol.
37%
70-71°F
$376 Vol.
<1%
72-73°F
$106 Vol.
<1%
74-75°F
$0 Vol.
<1%
76-77°F
$0 Vol.
<1%
78°F or higher
$10 Vol.
<1%
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 15 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.**Overnight radiative cooling under partly to mostly cloudy skies with scattered showers and southwest winds around 10 mph will determine Chicago's September 15 minimum.** Official NWS guidance and ensemble forecasts show the low occurring late tonight or early September 16 morning, with most model runs clustering in the mid-60s amid dew points near 55–60 °F and limited clear-sky periods that moderate temperature drops. Historical September 15 averages near 59 °F provide context, yet current atmospheric moisture and cloud cover raise the floor relative to drier analogs. This spread in forecast minima—driven by small differences in boundary-layer mixing and precipitation timing—explains the tight clustering of market-implied odds across the 62–69 °F bins versus the 59 °F-or-below outcome, with traders weighing the latest model runs and observational updates through the evening.
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 15 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.
Binuksan ang Market: Sep 13, 2026, 1:29 PM ET
Volume
$567Petsa ng Pagtatapos
Sep 15, 2026Binuksan ang Market
Sep 13, 2026, 1:29 PM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=kordResolver
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 15 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.**Overnight radiative cooling under partly to mostly cloudy skies with scattered showers and southwest winds around 10 mph will determine Chicago's September 15 minimum.** Official NWS guidance and ensemble forecasts show the low occurring late tonight or early September 16 morning, with most model runs clustering in the mid-60s amid dew points near 55–60 °F and limited clear-sky periods that moderate temperature drops. Historical September 15 averages near 59 °F provide context, yet current atmospheric moisture and cloud cover raise the floor relative to drier analogs. This spread in forecast minima—driven by small differences in boundary-layer mixing and precipitation timing—explains the tight clustering of market-implied odds across the 62–69 °F bins versus the 59 °F-or-below outcome, with traders weighing the latest model runs and observational updates through the evening.
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 15 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.
Volume
$567Petsa ng Pagtatapos
Sep 15, 2026Binuksan ang Market
Sep 13, 2026, 1:29 PM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=kordResolver
0x69c47De9D...**Overnight radiative cooling under partly to mostly cloudy skies with scattered showers and southwest winds around 10 mph will determine Chicago's September 15 minimum.** Official NWS guidance and ensemble forecasts show the low occurring late tonight or early September 16 morning, with most model runs clustering in the mid-60s amid dew points near 55–60 °F and limited clear-sky periods that moderate temperature drops. Historical September 15 averages near 59 °F provide context, yet current atmospheric moisture and cloud cover raise the floor relative to drier analogs. This spread in forecast minima—driven by small differences in boundary-layer mixing and precipitation timing—explains the tight clustering of market-implied odds across the 62–69 °F bins versus the 59 °F-or-below outcome, with traders weighing the latest model runs and observational updates through the evening.
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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