Recent forecasts from sources including timeanddate.com and AccuWeather place São Paulo’s expected high for August 13 near 28–29 °C (roughly 82–84 °F) under broken to scattered cloud cover and light northerly flow, consistent with August climatology of 24–26 °C daytime maxima in the city’s elevated interior location. Trader consensus clustering on 29–30 °C reflects model agreement on modest daytime warming from clear intervals and weak high pressure, tempered by residual moisture and urban heat-island effects that can add or subtract 1 °C. The narrow spread between 29 °C and 30 °C hinges on small differences in peak solar insolation, boundary-layer mixing depth, and any late-day sea-breeze or frontal timing shifts captured in the latest ECMWF and GFS runs; higher outcomes near 31 °C remain possible only if subsidence strengthens further or cloud cover decreases more than currently modeled. With resolution occurring within 24 hours, fresh INMET observations and updated model guidance on wind speed and humidity will be the decisive inputs.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · AktualisiertHöchste Temperatur in Sao Paulo am 13. August?
30°C 34%
29°C 25%
31°C 20%
28°C 8%
24°C or below
<1%
25°C
1%
26°C
1%
27°C
3%
28°C
8%
29°C
25%
30°C
34%
31°C
20%
32°C
3%
33°C
3%
34°C or higher
1%
30°C 34%
29°C 25%
31°C 20%
28°C 8%
24°C or below
<1%
25°C
1%
26°C
1%
27°C
3%
28°C
8%
29°C
25%
30°C
34%
31°C
20%
32°C
3%
33°C
3%
34°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 13 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.
Markt eröffnet: Aug 11, 2026, 9:01 PM ET
Abwicklungsquelle
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 13 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.
Abwicklungsquelle
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...Recent forecasts from sources including timeanddate.com and AccuWeather place São Paulo’s expected high for August 13 near 28–29 °C (roughly 82–84 °F) under broken to scattered cloud cover and light northerly flow, consistent with August climatology of 24–26 °C daytime maxima in the city’s elevated interior location. Trader consensus clustering on 29–30 °C reflects model agreement on modest daytime warming from clear intervals and weak high pressure, tempered by residual moisture and urban heat-island effects that can add or subtract 1 °C. The narrow spread between 29 °C and 30 °C hinges on small differences in peak solar insolation, boundary-layer mixing depth, and any late-day sea-breeze or frontal timing shifts captured in the latest ECMWF and GFS runs; higher outcomes near 31 °C remain possible only if subsidence strengthens further or cloud cover decreases more than currently modeled. With resolution occurring within 24 hours, fresh INMET observations and updated model guidance on wind speed and humidity will be the decisive inputs.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert


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