Current meteorological forecasts from INMET and ensemble models position 28°C as the leading outcome for São Paulo’s July 21 high, with traders assigning it 48% implied probability amid stable winter conditions in the Southern Hemisphere. Recent model runs indicate a ridge of high pressure promoting clear skies and moderate northerly flow, supporting daytime maxima near the climatological upper range of 27–29°C rather than cooler anomalies typical of July. Ensemble consensus shows limited spread, with 27°C and 29°C as secondary possibilities at 29.5% and 12%, while probabilities drop sharply outside this band due to minimal expected variability in steering patterns or moisture advection. Updated guidance ahead of the 24-hour verification window will determine final resolution against official surface observations.
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 São Paulo no dia 21 de julho?
27°C 44%
28°C 38%
26°C 15%
29°C 6%
22°C or below
<1%
23°C
<1%
24°C
<1%
25°C
2%
26°C
15%
27°C
44%
28°C
38%
29°C
6%
30°C
1%
31°C
1%
32°C or higher
<1%
27°C 44%
28°C 38%
26°C 15%
29°C 6%
22°C or below
<1%
23°C
<1%
24°C
<1%
25°C
2%
26°C
15%
27°C
44%
28°C
38%
29°C
6%
30°C
1%
31°C
1%
32°C or higher
<1%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Sao Paulo-Guarulhos International Airport Station, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR.
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 until the first data point for the following date has been published on the resolution source.
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.
Mercado Aberto: Jul 19, 2026, 9:06 PM ET
Fonte de resolução
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Sao Paulo-Guarulhos International Airport Station, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR.
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 until the first data point for the following date has been published on the resolution source.
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.
Fonte de resolução
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...Current meteorological forecasts from INMET and ensemble models position 28°C as the leading outcome for São Paulo’s July 21 high, with traders assigning it 48% implied probability amid stable winter conditions in the Southern Hemisphere. Recent model runs indicate a ridge of high pressure promoting clear skies and moderate northerly flow, supporting daytime maxima near the climatological upper range of 27–29°C rather than cooler anomalies typical of July. Ensemble consensus shows limited spread, with 27°C and 29°C as secondary possibilities at 29.5% and 12%, while probabilities drop sharply outside this band due to minimal expected variability in steering patterns or moisture advection. Updated guidance ahead of the 24-hour verification window will determine final resolution against official surface observations.
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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