The closely matched leading probabilities for 18°C and 19°C reflect substantial uncertainty in short-range ensemble forecasts for Buenos Aires on May 19, as global models such as ECMWF and GFS continue to show daily highs oscillating within a narrow 2–3°C band amid typical autumn transition patterns. A transient high-pressure ridge has recently suppressed cloud cover and allowed modest daytime warming, while variable southeasterly flow from the Río de la Plata may introduce marine influence that caps the peak. Official Servicio Meteorológico Nacional guidance and updated model runs expected over the next 48 hours will likely tighten the range, with resolution hinging on whether observed maximum temperatures reach the 19°C threshold under prevailing clear-sky conditions.
Resumo experimental gerado por IA com dados do Polymarket. Isto não é aconselhamento de trading e não tem qualquer papel na resolução deste mercado. · AtualizadoTemperatura mais alta em Buenos Aires em 19 de maio?
18°C 27%
17°C 20%
19°C 20%
16°C 16%
11°C or below
<1%
12°C
<1%
13°C
<1%
14°C
2%
15°C
4%
16°C
16%
17°C
20%
18°C
27%
19°C
20%
20°C
7%
21°C ou mais
3%
18°C 27%
17°C 20%
19°C 20%
16°C 16%
11°C or below
<1%
12°C
<1%
13°C
<1%
14°C
2%
15°C
4%
16°C
16%
17°C
20%
18°C
27%
19°C
20%
20°C
7%
21°C ou mais
3%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Minister Pistarini Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/ar/ezeiza/SAEZ.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Mercado Aberto: May 17, 2026, 12:03 AM ET
Fonte de resolução
https://www.wunderground.com/history/daily/ar/ezeiza/SAEZThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Minister Pistarini Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/ar/ezeiza/SAEZ.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Fonte de resolução
https://www.wunderground.com/history/daily/ar/ezeiza/SAEZThe closely matched leading probabilities for 18°C and 19°C reflect substantial uncertainty in short-range ensemble forecasts for Buenos Aires on May 19, as global models such as ECMWF and GFS continue to show daily highs oscillating within a narrow 2–3°C band amid typical autumn transition patterns. A transient high-pressure ridge has recently suppressed cloud cover and allowed modest daytime warming, while variable southeasterly flow from the Río de la Plata may introduce marine influence that caps the peak. Official Servicio Meteorológico Nacional guidance and updated model runs expected over the next 48 hours will likely tighten the range, with resolution hinging on whether observed maximum temperatures reach the 19°C threshold under prevailing clear-sky conditions.
Resumo experimental gerado por IA com dados do Polymarket. Isto não é aconselhamento de trading e não tem qualquer papel na resolução deste mercado. · Atualizado
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