Official observations from Environment and Climate Change Canada confirm that Toronto recorded a daily maximum of at least 30 °C on June 4, 2026, driven by a strong southerly flow of warm, humid air under mostly sunny skies and light winds. This outcome aligns with late-spring climatology for southern Ontario, where early-June highs frequently approach or surpass the 30 °C threshold when high-pressure ridging suppresses cloud cover and lake-breeze cooling. Forecast models initialized 24–48 hours earlier showed consensus around 28–32 °C, with the upper end realized due to slightly stronger insolation and minimal marine influence. The market’s near-certain pricing for 30 °C or higher reflects this verified reading, though minor revisions in station data or measurement timing could theoretically adjust the exact maximum by one degree.
Resumen experimental generado por IA con datos de Polymarket. Esto no es asesoramiento de trading y no influye en cómo se resuelve este mercado. · ActualizadoHighest temperature in Toronto on June 4?
30°C or higher 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$79,436 Vol.
$79,436 Vol.
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°C or higher
100%
30°C or higher 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$79,436 Vol.
$79,436 Vol.
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°C or higher
100%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Toronto Pearson Intl Airport Station, available here: https://www.wunderground.com/history/daily/ca/mississauga/CYYZ.
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 2, 2026, 1:04 AM ET
Fuente de resolución
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
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 Toronto Pearson Intl Airport Station, available here: https://www.wunderground.com/history/daily/ca/mississauga/CYYZ.
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/ca/mississauga/CYYZResolver
0x69c47De9D...Official observations from Environment and Climate Change Canada confirm that Toronto recorded a daily maximum of at least 30 °C on June 4, 2026, driven by a strong southerly flow of warm, humid air under mostly sunny skies and light winds. This outcome aligns with late-spring climatology for southern Ontario, where early-June highs frequently approach or surpass the 30 °C threshold when high-pressure ridging suppresses cloud cover and lake-breeze cooling. Forecast models initialized 24–48 hours earlier showed consensus around 28–32 °C, with the upper end realized due to slightly stronger insolation and minimal marine influence. The market’s near-certain pricing for 30 °C or higher reflects this verified reading, though minor revisions in station data or measurement timing could theoretically adjust the exact maximum by one degree.
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.
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