**Cold southerly winds and a polar air mass drove the sharp overnight drop in Buenos Aires on September 12, 2026.** Official forecasts from the Servicio Meteorológico Nacional and private models converged on a nighttime minimum near 4–6 °C amid persistent cloud cover, high humidity (~70–80 %), and sustained southerly flow averaging 25–30 km/h that enhanced cooling. The near-even market odds between 6 °C (51.5 %), 4 °C or below (50.0 %), and 5 °C (49.0 %) reflect genuine uncertainty in the precise timing and magnitude of the low recorded at official stations such as Aeroparque or central Buenos Aires. Small differences in model resolution of boundary-layer mixing, wind gusts, or the exact hour of minimum temperature can shift the daily low by 1–2 °C. No major forecast revisions occurred in the final 24 hours, leaving traders to weigh the balance between observed cooling rates and station-specific measurement thresholds.
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 Buenos Aires on September 12?
4°C or below 100%
5°C 98%
6°C 51%
7°C <1%
$738 Vol.
$738 Vol.
4°C or below
100%
5°C
98%
6°C
51%
7°C
<1%
8°C
<1%
9°C
<1%
10°C
<1%
11°C
<1%
12°C
<1%
13°C
<1%
14°C or higher
<1%
4°C or below 100%
5°C 98%
6°C 51%
7°C <1%
$738 Vol.
$738 Vol.
4°C or below
100%
5°C
98%
6°C
51%
7°C
<1%
8°C
<1%
9°C
<1%
10°C
<1%
11°C
<1%
12°C
<1%
13°C
<1%
14°C 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=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.
Binuksan ang Market: Sep 10, 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...**Cold southerly winds and a polar air mass drove the sharp overnight drop in Buenos Aires on September 12, 2026.** Official forecasts from the Servicio Meteorológico Nacional and private models converged on a nighttime minimum near 4–6 °C amid persistent cloud cover, high humidity (~70–80 %), and sustained southerly flow averaging 25–30 km/h that enhanced cooling. The near-even market odds between 6 °C (51.5 %), 4 °C or below (50.0 %), and 5 °C (49.0 %) reflect genuine uncertainty in the precise timing and magnitude of the low recorded at official stations such as Aeroparque or central Buenos Aires. Small differences in model resolution of boundary-layer mixing, wind gusts, or the exact hour of minimum temperature can shift the daily low by 1–2 °C. No major forecast revisions occurred in the final 24 hours, leaving traders to weigh the balance between observed cooling rates and station-specific measurement thresholds.
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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