**Recent cold air advection and clear-sky radiative cooling have positioned low single-digit Celsius readings as the leading scenario for Buenos Aires' overnight low on September 8.** Official monitoring shows a 2.4 °C minimum on September 6, and current model consensus (including GFS and ECMWF runs) projects 6–10 °C under mostly clear skies with light northerly flow. This supports the 48 % market-implied probability for 3 °C or below while keeping warmer outcomes (13 °C+) at 33.5 % amid model spread and potential wind shifts. Historical September lows average near 10 °C, so the current setup reflects short-term variability rather than seasonal norms. Updated model guidance and surface observations through the evening of September 7 will likely refine these probabilities 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 8?
13°C or higher 80%
9°C 49%
10°C 49%
3°C or below 47%
3°C or below
47%
4°C
28%
5°C
29%
6°C
27%
7°C
26%
8°C
16%
9°C
49%
10°C
49%
11°C
6%
12°C
5%
13°C or higher
80%
13°C or higher 80%
9°C 49%
10°C 49%
3°C or below 47%
3°C or below
47%
4°C
28%
5°C
29%
6°C
27%
7°C
26%
8°C
16%
9°C
49%
10°C
49%
11°C
6%
12°C
5%
13°C or higher
80%
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 6, 2026, 8:29 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=saezResolver
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=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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=saezResolver
0x69c47De9D...**Recent cold air advection and clear-sky radiative cooling have positioned low single-digit Celsius readings as the leading scenario for Buenos Aires' overnight low on September 8.** Official monitoring shows a 2.4 °C minimum on September 6, and current model consensus (including GFS and ECMWF runs) projects 6–10 °C under mostly clear skies with light northerly flow. This supports the 48 % market-implied probability for 3 °C or below while keeping warmer outcomes (13 °C+) at 33.5 % amid model spread and potential wind shifts. Historical September lows average near 10 °C, so the current setup reflects short-term variability rather than seasonal norms. Updated model guidance and surface observations through the evening of September 7 will likely refine these probabilities 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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