Latest meteorological guidance for São Paulo on August 15 indicates a wintertime pattern dominated by variable cloud cover and weak high-pressure influence, supporting maximum temperatures clustered in the low-to-mid 20s Celsius. Model consensus from regional runs highlights modest diurnal heating under partly cloudy skies, with any passing moisture or frontal remnants potentially suppressing peaks by 1–2°C or allowing brief clearing to push readings toward 25–26°C. Historical August climatology centers near 23–24°C, and the tight spread across 22–26°C market outcomes reflects ongoing uncertainty in boundary-layer mixing and exact cloud timing rather than major synoptic shifts. Updated INMET and global ensemble guidance expected overnight will clarify whether conditions trend slightly warmer or cooler than recent days.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Sao Paulo on August 15?
25°C 36%
26°C 22%
24°C 20%
27°C 13%
20°C or below
<1%
21°C
3%
22°C
3%
23°C
13%
24°C
20%
25°C
36%
26°C
22%
27°C
13%
28°C
7%
29°C
2%
30°C or higher
1%
25°C 36%
26°C 22%
24°C 20%
27°C 13%
20°C or below
<1%
21°C
3%
22°C
3%
23°C
13%
24°C
20%
25°C
36%
26°C
22%
27°C
13%
28°C
7%
29°C
2%
30°C or higher
1%
This market will resolve to the temperature range that contains the highest temperature recorded at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 15 Aug '26.
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.
Market Opened: Aug 13, 2026, 8:55 PM ET
Resolution Source
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 15 Aug '26.
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.
Resolution Source
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...Latest meteorological guidance for São Paulo on August 15 indicates a wintertime pattern dominated by variable cloud cover and weak high-pressure influence, supporting maximum temperatures clustered in the low-to-mid 20s Celsius. Model consensus from regional runs highlights modest diurnal heating under partly cloudy skies, with any passing moisture or frontal remnants potentially suppressing peaks by 1–2°C or allowing brief clearing to push readings toward 25–26°C. Historical August climatology centers near 23–24°C, and the tight spread across 22–26°C market outcomes reflects ongoing uncertainty in boundary-layer mixing and exact cloud timing rather than major synoptic shifts. Updated INMET and global ensemble guidance expected overnight will clarify whether conditions trend slightly warmer or cooler than recent days.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



Beware of external links.
Beware of external links.
Frequently Asked Questions