Recent short-range forecast models from agencies like INMET and international ensembles show maximum temperatures in São Paulo hovering near 18°C on May 19, with limited spread between 17°C and 19°C driven by a passing frontal system and associated cloud cover that is moderating daytime heating. This positions the market’s closely bunched probabilities around the historical May average high of 21–23°C, reflecting genuine uncertainty in how quickly the cooler air mass will clear and allow greater solar warming. Traders are also weighing typical autumn variability, including potential afternoon showers that could cap peaks below 20°C, while any faster clearing or stronger subsidence would favor the upper end of the range. Updated model runs expected within the next 24–48 hours will provide the clearest signal ahead of resolution.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jourLa température la plus élevée à Sao Paulo le 19 mai ?
18°C 31%
19°C 18%
16°C 13%
17°C 13%
11°C or below
<1%
12°C
<1%
13°C
<1%
14°C
1%
15°C
8%
16°C
13%
17°C
13%
18°C
31%
19°C
18%
20°C
8%
21°C or higher
4%
18°C 31%
19°C 18%
16°C 13%
17°C 13%
11°C or below
<1%
12°C
<1%
13°C
<1%
14°C
1%
15°C
8%
16°C
13%
17°C
13%
18°C
31%
19°C
18%
20°C
8%
21°C or higher
4%
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 Sao Paulo-Guarulhos International Airport Station once information is finalized, 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 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.
Marché ouvert : May 17, 2026, 12:03 AM ET
Source de résolution
https://www.wunderground.com/history/daily/br/guarulhos/SBGRThe 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 Sao Paulo-Guarulhos International Airport Station once information is finalized, 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 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.
Source de résolution
https://www.wunderground.com/history/daily/br/guarulhos/SBGRRecent short-range forecast models from agencies like INMET and international ensembles show maximum temperatures in São Paulo hovering near 18°C on May 19, with limited spread between 17°C and 19°C driven by a passing frontal system and associated cloud cover that is moderating daytime heating. This positions the market’s closely bunched probabilities around the historical May average high of 21–23°C, reflecting genuine uncertainty in how quickly the cooler air mass will clear and allow greater solar warming. Traders are also weighing typical autumn variability, including potential afternoon showers that could cap peaks below 20°C, while any faster clearing or stronger subsidence would favor the upper end of the range. Updated model runs expected within the next 24–48 hours will provide the clearest signal ahead of resolution.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour
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