Official observations from Environment Canada stations confirmed a daily maximum of exactly 27°C in Toronto on August 14, 2026, under partly cloudy skies and light southwesterly flow typical of mid-August climatology. This precise reading aligned with forecast model consensus from regional guidance, which had projected highs in the mid- to upper-20s amid stable atmospheric conditions without significant heat advection or clear-sky amplification. Historical averages for the date hover near 25°C, providing context for why traders converged on this outcome with full certainty once preliminary data emerged. While official station networks minimize discrepancies, minor revisions remain theoretically possible if additional quality-controlled reports from peripheral sites differ, though such adjustments are rare after initial validation.
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 August 14?
27°C 100.0%
23°C or below <1%
24°C <1%
25°C <1%
$34,234 Vol.
$34,234 Vol.
23°C or below
No
24°C
No
25°C
No
26°C
No
27°C
Yes
28°C
No
29°C
No
30°C
No
31°C
No
32°C
No
33°C or higher
No
27°C 100.0%
23°C or below <1%
24°C <1%
25°C <1%
$34,234 Vol.
$34,234 Vol.
23°C or below
No
24°C
No
25°C
No
26°C
No
27°C
Yes
28°C
No
29°C
No
30°C
No
31°C
No
32°C
No
33°C or higher
No
This market will resolve to the temperature range that contains the highest temperature recorded at the Toronto Pearson Intl Airport Station in degrees Celsius on 14 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 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: Aug 12, 2026, 8:55 PM ET
Resolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Outcome proposed: Yes
No dispute
Final outcome: Yes
This market will resolve to the temperature range that contains the highest temperature recorded at the Toronto Pearson Intl Airport Station in degrees Celsius on 14 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 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: Yes
No dispute
Final outcome: Yes
Official observations from Environment Canada stations confirmed a daily maximum of exactly 27°C in Toronto on August 14, 2026, under partly cloudy skies and light southwesterly flow typical of mid-August climatology. This precise reading aligned with forecast model consensus from regional guidance, which had projected highs in the mid- to upper-20s amid stable atmospheric conditions without significant heat advection or clear-sky amplification. Historical averages for the date hover near 25°C, providing context for why traders converged on this outcome with full certainty once preliminary data emerged. While official station networks minimize discrepancies, minor revisions remain theoretically possible if additional quality-controlled reports from peripheral sites differ, though such adjustments are rare after initial validation.
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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