Official observations from Brazil's National Institute of Meteorology (INMET) confirm São Paulo's highest temperature on April 9, 2026, reached exactly 27°C at key monitoring stations, driving Polymarket's 100% implied probability consensus for this outcome and rendering alternatives negligible. Preceding 24-hour forecasts from INMET and regional models accurately anticipated this peak amid partly cloudy skies, isolated rain showers, and a weakening frontal system that enhanced cloud cover and limited solar heating—typical for autumn in southeastern Brazil, where April climatological highs average 24-26°C. While measurement revisions from station data audits remain a remote possibility, no discrepancies have emerged, solidifying trader confidence in this 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 jourHighest temperature in Sao Paulo on April 9?
Highest temperature in Sao Paulo on April 9?
27°C 100.0%
22°C or below <1%
23°C <1%
24°C <1%
$100,186 Vol.
$100,186 Vol.
22°C or below
No
23°C
No
24°C
No
25°C
No
26°C
No
27°C
Yes
28°C
No
29°C
No
30°C
No
31°C
No
32°C or higher
No
27°C 100.0%
22°C or below <1%
23°C <1%
24°C <1%
$100,186 Vol.
$100,186 Vol.
22°C or below
No
23°C
No
24°C
No
25°C
No
26°C
No
27°C
Yes
28°C
No
29°C
No
30°C
No
31°C
No
32°C or higher
No
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 : Apr 5, 2026, 12:08 AM ET
Source de résolution
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...Résultat proposé: No
Aucune contestation
Résultat final: No
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.
Source de résolution
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...Résultat proposé: No
Aucune contestation
Résultat final: No
Official observations from Brazil's National Institute of Meteorology (INMET) confirm São Paulo's highest temperature on April 9, 2026, reached exactly 27°C at key monitoring stations, driving Polymarket's 100% implied probability consensus for this outcome and rendering alternatives negligible. Preceding 24-hour forecasts from INMET and regional models accurately anticipated this peak amid partly cloudy skies, isolated rain showers, and a weakening frontal system that enhanced cloud cover and limited solar heating—typical for autumn in southeastern Brazil, where April climatological highs average 24-26°C. While measurement revisions from station data audits remain a remote possibility, no discrepancies have emerged, solidifying trader confidence in this 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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