Forecasts from major numerical weather prediction models indicate a tight range of possible daily maximum temperatures in Toronto on June 30, with ensemble consensus centering on 33–34°C amid variable upper-level ridging and modest surface heating. Recent surface observations and model guidance show limited diurnal spread due to urban heat island effects, light winds, and boundary-layer moisture, which reduce the potential for either significant cooling or rapid warming. High-resolution runs exhibit minor disagreements on timing of peak insolation and cloud cover, keeping 35°C and higher outcomes at lower implied probabilities while historical June climatology supports the current market distribution. Updated model cycles expected overnight will further constrain resolution criteria.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoHighest temperature in Toronto on June 30?
34°C 100.0%
29°C or below <1%
30°C <1%
31°C <1%
$57,137 Vol.
$57,137 Vol.
29°C or below
No
30°C
No
31°C
No
32°C
No
33°C
No
34°C
Yes
35°C
No
36°C
No
37°C
No
38°C
No
39°C or higher
No
34°C 100.0%
29°C or below <1%
30°C <1%
31°C <1%
$57,137 Vol.
$57,137 Vol.
29°C or below
No
30°C
No
31°C
No
32°C
No
33°C
No
34°C
Yes
35°C
No
36°C
No
37°C
No
38°C
No
39°C or higher
No
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.
Mercato aperto: Jun 28, 2026, 11:01 PM ET
Fonte di risoluzione
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Esito proposto: No
Nessuna contestazione
Esito finale: No
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.
Fonte di risoluzione
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Esito proposto: No
Nessuna contestazione
Esito finale: No
Forecasts from major numerical weather prediction models indicate a tight range of possible daily maximum temperatures in Toronto on June 30, with ensemble consensus centering on 33–34°C amid variable upper-level ridging and modest surface heating. Recent surface observations and model guidance show limited diurnal spread due to urban heat island effects, light winds, and boundary-layer moisture, which reduce the potential for either significant cooling or rapid warming. High-resolution runs exhibit minor disagreements on timing of peak insolation and cloud cover, keeping 35°C and higher outcomes at lower implied probabilities while historical June climatology supports the current market distribution. Updated model cycles expected overnight will further constrain resolution criteria.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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