**Trader consensus has converged on a 29°C high for Toronto on June 13, 2026, at 99.9% implied probability, reflecting official observations from Environment Canada at Toronto Pearson International Airport.** Recent model guidance and on-the-day conditions pointed to a peak near this value amid a pattern of warm air advection under partly cloudy skies, with scattered showers and thunderstorms limiting further warming. Preceding days saw highs in the low-to-mid 30s, but a shift toward cooler, moister air on the 13th capped temperatures. Historical June averages for Toronto hover around 24°C, so the observed value sat modestly above normal yet well below extreme records. The market’s near-certainty stems from the fixed nature of the daily maximum once recorded; only a rare data revision or station discrepancy could alter the outcome. Official verification typically resolves these markets quickly, with minimal uncertainty remaining after the observation window closes.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Toronto on June 13?
29°C 100.0%
24°C or below <1%
25°C <1%
26°C <1%
$36,224 Vol.
$36,224 Vol.
24°C or below
No
25°C
No
26°C
No
27°C
No
28°C
No
29°C
Yes
30°C
No
31°C
No
32°C
No
33°C
No
34°C or higher
No
29°C 100.0%
24°C or below <1%
25°C <1%
26°C <1%
$36,224 Vol.
$36,224 Vol.
24°C or below
No
25°C
No
26°C
No
27°C
No
28°C
No
29°C
Yes
30°C
No
31°C
No
32°C
No
33°C
No
34°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.
Market Opened: Jun 11, 2026, 9:03 PM ET
Resolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: 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.
Resolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
**Trader consensus has converged on a 29°C high for Toronto on June 13, 2026, at 99.9% implied probability, reflecting official observations from Environment Canada at Toronto Pearson International Airport.** Recent model guidance and on-the-day conditions pointed to a peak near this value amid a pattern of warm air advection under partly cloudy skies, with scattered showers and thunderstorms limiting further warming. Preceding days saw highs in the low-to-mid 30s, but a shift toward cooler, moister air on the 13th capped temperatures. Historical June averages for Toronto hover around 24°C, so the observed value sat modestly above normal yet well below extreme records. The market’s near-certainty stems from the fixed nature of the daily maximum once recorded; only a rare data revision or station discrepancy could alter the outcome. Official verification typically resolves these markets quickly, with minimal uncertainty remaining after the observation window closes.
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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