**Incoming cold front and widespread cloud cover with rain are the dominant factors capping maximum temperatures in São Paulo on June 15, 2026, keeping the market focused on 17–18°C.** Official extended forecasts from sources such as timeanddate and AccuWeather indicate daytime highs near 18°C (64–65°F) under overcast skies and showers, with the pattern reflecting a cooler-than-average early June influenced by extratropical systems. Cloud cover limits solar heating while the frontal passage enhances mixing and evaporative cooling, preventing the 20–22°C peaks more typical of mid-winter climatology. Recent observations show temperatures already trending 1–2°C below seasonal normals, with the 13–14 June period featuring isolated storms that set up the cooler air mass arriving overnight. Model consensus favors limited diurnal recovery on the 15th, making the tight 38%–33.5% split between 18°C and 17°C reflect uncertainty in exact frontal timing and rainfall intensity rather than any warmer outlier scenarios. Updated National Meteorological Service or regional model runs tomorrow morning will provide the final resolution inputs.
Resumen experimental generado por IA con datos de Polymarket. Esto no es asesoramiento de trading y no influye en cómo se resuelve este mercado. · Actualizado¿La temperatura más alta en Sao Paulo el 15 de junio?
18°C 38%
17°C 34%
19°C 19%
16°C 6.0%
13°C or below
<1%
14°C
<1%
15°C
<1%
16°C
6%
17°C
34%
18°C
38%
19°C
19%
20°C
3%
21°C
1%
22°C
<1%
23°C or higher
<1%
18°C 38%
17°C 34%
19°C 19%
16°C 6.0%
13°C or below
<1%
14°C
<1%
15°C
<1%
16°C
6%
17°C
34%
18°C
38%
19°C
19%
20°C
3%
21°C
1%
22°C
<1%
23°C or higher
<1%
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.
Mercado abierto: Jun 13, 2026, 9:03 PM ET
Fuente de resolución
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.
Fuente de resolución
https://www.wunderground.com/history/daily/br/guarulhos/SBGRResolver
0x69c47De9D...**Incoming cold front and widespread cloud cover with rain are the dominant factors capping maximum temperatures in São Paulo on June 15, 2026, keeping the market focused on 17–18°C.** Official extended forecasts from sources such as timeanddate and AccuWeather indicate daytime highs near 18°C (64–65°F) under overcast skies and showers, with the pattern reflecting a cooler-than-average early June influenced by extratropical systems. Cloud cover limits solar heating while the frontal passage enhances mixing and evaporative cooling, preventing the 20–22°C peaks more typical of mid-winter climatology. Recent observations show temperatures already trending 1–2°C below seasonal normals, with the 13–14 June period featuring isolated storms that set up the cooler air mass arriving overnight. Model consensus favors limited diurnal recovery on the 15th, making the tight 38%–33.5% split between 18°C and 17°C reflect uncertainty in exact frontal timing and rainfall intensity rather than any warmer outlier scenarios. Updated National Meteorological Service or regional model runs tomorrow morning will provide the final resolution inputs.
Resumen experimental generado por IA con datos de Polymarket. Esto no es asesoramiento de trading y no influye en cómo se resuelve este mercado. · Actualizado
Cuidado con los enlaces externos.
Cuidado con los enlaces externos.
Preguntas frecuentes