**Forecast models for Buenos Aires on September 22, 2026, point to a low near 6–8 °C under clearing skies and moderate southwesterly flow following the passage of a cold front.** Recent observations show a sharp cooldown after heavy rain and gusty conditions on September 20, with Monday’s minimum already dipping toward 10 °C. Radiative cooling overnight under reduced cloud cover, combined with lighter winds by dawn, favors the lower end of the range, while any residual mixing or slight model spread in boundary-layer temperatures keeps the upper end in play. Official Servicio Meteorológico Nacional guidance and ensemble output from GFS and ECMWF cluster around 7 °C, placing the most likely outcome in the 5–8 °C bins. The near-even split between the 1 °C-or-below and 11 °C-or-higher contracts therefore reflects trader emphasis on tail-risk scenarios—stronger-than-expected radiational cooling versus delayed clearing or a warmer marine layer—rather than disagreement over the central forecast. New model runs and the evening observation on the 21st will be the next key inputs before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Buenos Aires on September 22?
Lowest temperature in Buenos Aires on September 22?
1°C or below 89%
11°C or higher 89%
3°C 40%
10°C 40%
NEW
NEW
Sep 22, 2026
1°C or below
89%
2°C
39%
3°C
40%
4°C
21%
5°C
23%
6°C
21%
7°C
39%
8°C
39%
9°C
39%
10°C
40%
11°C or higher
89%
1°C or below 89%
11°C or higher 89%
3°C 40%
10°C 40%
NEW
NEW
Sep 22, 2026
1°C or below
$0 Vol.
89%
2°C
$0 Vol.
39%
3°C
$0 Vol.
40%
4°C
$0 Vol.
21%
5°C
$0 Vol.
23%
6°C
$0 Vol.
21%
7°C
$0 Vol.
39%
8°C
$0 Vol.
39%
9°C
$0 Vol.
39%
10°C
$0 Vol.
40%
11°C or higher
$0 Vol.
89%
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Minister Pistarini Intl Airport Station in degrees Celsius on 22 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=saez
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 Metric Units" button until the relevant table displays °C.
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 Celsius (eg, 9°C). 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.**Forecast models for Buenos Aires on September 22, 2026, point to a low near 6–8 °C under clearing skies and moderate southwesterly flow following the passage of a cold front.**
Recent observations show a sharp cooldown after heavy rain and gusty conditions on September 20, with Monday’s minimum already dipping toward 10 °C. Radiative cooling overnight under reduced cloud cover, combined with lighter winds by dawn, favors the lower end of the range, while any residual mixing or slight model spread in boundary-layer temperatures keeps the upper end in play.
Official Servicio Meteorológico Nacional guidance and ensemble output from GFS and ECMWF cluster around 7 °C, placing the most likely outcome in the 5–8 °C bins. The near-even split between the 1 °C-or-below and 11 °C-or-higher contracts therefore reflects trader emphasis on tail-risk scenarios—stronger-than-expected radiational cooling versus delayed clearing or a warmer marine layer—rather than disagreement over the central forecast. New model runs and the evening observation on the 21st will be the next key inputs before resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Minister Pistarini Intl Airport Station in degrees Celsius on 22 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=saez
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 Metric Units" button until the relevant table displays °C.
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 Celsius (eg, 9°C). 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=saez
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 Metric Units" button until the relevant table displays °C.
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 Celsius (eg, 9°C). 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: Sep 20, 2026, 8:29 AM ET
Volume
$0End Date
Sep 22, 2026Market Opened
Sep 20, 2026, 8:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=saezResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Minister Pistarini Intl Airport Station in degrees Celsius on 22 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=saez
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 Metric Units" button until the relevant table displays °C.
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 Celsius (eg, 9°C). 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.**Forecast models for Buenos Aires on September 22, 2026, point to a low near 6–8 °C under clearing skies and moderate southwesterly flow following the passage of a cold front.**
Recent observations show a sharp cooldown after heavy rain and gusty conditions on September 20, with Monday’s minimum already dipping toward 10 °C. Radiative cooling overnight under reduced cloud cover, combined with lighter winds by dawn, favors the lower end of the range, while any residual mixing or slight model spread in boundary-layer temperatures keeps the upper end in play.
Official Servicio Meteorológico Nacional guidance and ensemble output from GFS and ECMWF cluster around 7 °C, placing the most likely outcome in the 5–8 °C bins. The near-even split between the 1 °C-or-below and 11 °C-or-higher contracts therefore reflects trader emphasis on tail-risk scenarios—stronger-than-expected radiational cooling versus delayed clearing or a warmer marine layer—rather than disagreement over the central forecast. New model runs and the evening observation on the 21st will be the next key inputs before resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Minister Pistarini Intl Airport Station in degrees Celsius on 22 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=saez
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 Metric Units" button until the relevant table displays °C.
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 Celsius (eg, 9°C). 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=saez
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 Metric Units" button until the relevant table displays °C.
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 Celsius (eg, 9°C). 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
$0End Date
Sep 22, 2026Market Opened
Sep 20, 2026, 8:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=saezResolver
0x69c47De9D...**Forecast models for Buenos Aires on September 22, 2026, point to a low near 6–8 °C under clearing skies and moderate southwesterly flow following the passage of a cold front.** Recent observations show a sharp cooldown after heavy rain and gusty conditions on September 20, with Monday’s minimum already dipping toward 10 °C. Radiative cooling overnight under reduced cloud cover, combined with lighter winds by dawn, favors the lower end of the range, while any residual mixing or slight model spread in boundary-layer temperatures keeps the upper end in play. Official Servicio Meteorológico Nacional guidance and ensemble output from GFS and ECMWF cluster around 7 °C, placing the most likely outcome in the 5–8 °C bins. The near-even split between the 1 °C-or-below and 11 °C-or-higher contracts therefore reflects trader emphasis on tail-risk scenarios—stronger-than-expected radiational cooling versus delayed clearing or a warmer marine layer—rather than disagreement over the central forecast. New model runs and the evening observation on the 21st will be the next key inputs before resolution.
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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