**Current National Weather Service and private forecasts for Chicago on September 9, 2026, indicate a daily minimum temperature near 67–69°F amid scattered showers, thunderstorms, and a moderating air mass following early-September heat.** Cloud cover and precipitation are expected to limit overnight radiative cooling while daytime mixing and west-to-northwest winds after frontal passage help cap highs near 76–80°F. Trader emphasis on the 67°F-or-below and 86°F-or-higher brackets reflects uncertainty in exact minimum timing—clearer skies after evening rain could allow temperatures to dip further via enhanced longwave radiation loss, whereas lingering humidity or delayed clearing might hold the low closer to 70°F. Historical September averages (around 61–62°F) provide context, but current model consensus and observed dew points near 65–69°F support the narrower 68–73°F ranges carrying substantial implied probability. Updated NWS briefings and hourly observations remain key near-term catalysts.
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 9?
67°F or below 46%
70-71°F 44%
68-69°F 27%
72-73°F 26%
67°F or below
46%
68-69°F
27%
70-71°F
27%
72-73°F
26%
74-75°F
26%
76-77°F
25%
78-79°F
1%
80-81°F
<1%
82-83°F
<1%
84-85°F
<1%
86°F or higher
<1%
67°F or below 46%
70-71°F 44%
68-69°F 27%
72-73°F 26%
67°F or below
46%
68-69°F
27%
70-71°F
27%
72-73°F
26%
74-75°F
26%
76-77°F
25%
78-79°F
1%
80-81°F
<1%
82-83°F
<1%
84-85°F
<1%
86°F or higher
<1%
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 7, 2026, 3:29 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=kordResolver
0x69c47De9D...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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=kordResolver
0x69c47De9D...**Current National Weather Service and private forecasts for Chicago on September 9, 2026, indicate a daily minimum temperature near 67–69°F amid scattered showers, thunderstorms, and a moderating air mass following early-September heat.** Cloud cover and precipitation are expected to limit overnight radiative cooling while daytime mixing and west-to-northwest winds after frontal passage help cap highs near 76–80°F. Trader emphasis on the 67°F-or-below and 86°F-or-higher brackets reflects uncertainty in exact minimum timing—clearer skies after evening rain could allow temperatures to dip further via enhanced longwave radiation loss, whereas lingering humidity or delayed clearing might hold the low closer to 70°F. Historical September averages (around 61–62°F) provide context, but current model consensus and observed dew points near 65–69°F support the narrower 68–73°F ranges carrying substantial implied probability. Updated NWS briefings and hourly observations remain key near-term catalysts.
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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