Current forecast guidance for São Paulo points to a highest temperature near 26–27°C on August 3, consistent with the market’s leading implied probabilities for those outcomes. In the city’s dry winter season, reduced cloud cover and subsidence under the South Atlantic subtropical high typically allow greater daytime heating, while variable steering by mid-level winds can either advect warmer continental air or introduce cooler maritime flow from the south. Recent model runs show modest positive temperature anomalies across southeastern Brazil, with limited cold-front activity expected to moderate highs. Traders appear to weigh this seasonal warming potential against historical August maxima near 23–25°C, producing the observed clustering around 26–28°C while assigning low odds to extremes outside that narrow range. Updated NHC-equivalent regional guidance and next model cycle will refine resolution criteria ahead of the daily observation window.
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 3?
27°C 50%
26°C 25%
28°C 12%
25°C 11%
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
1%
24°C
4%
25°C
11%
26°C
25%
27°C
50%
28°C
12%
29°C
2%
30°C or higher
2%
27°C 50%
26°C 25%
28°C 12%
25°C 11%
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
1%
24°C
4%
25°C
11%
26°C
25%
27°C
50%
28°C
12%
29°C
2%
30°C or higher
2%
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 1, 2026, 9:02 PM ET
Resolution Source
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.
Resolution Source
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...Current forecast guidance for São Paulo points to a highest temperature near 26–27°C on August 3, consistent with the market’s leading implied probabilities for those outcomes. In the city’s dry winter season, reduced cloud cover and subsidence under the South Atlantic subtropical high typically allow greater daytime heating, while variable steering by mid-level winds can either advect warmer continental air or introduce cooler maritime flow from the south. Recent model runs show modest positive temperature anomalies across southeastern Brazil, with limited cold-front activity expected to moderate highs. Traders appear to weigh this seasonal warming potential against historical August maxima near 23–25°C, producing the observed clustering around 26–28°C while assigning low odds to extremes outside that narrow range. Updated NHC-equivalent regional guidance and next model cycle will refine resolution criteria ahead of the daily observation window.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated


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