Official meteorological observations from Environment Canada at Toronto Pearson International Airport established a daily maximum of exactly 22°C on August 24, 2026, driving the market's near-certain consensus on that outcome. Ensemble model guidance and surface analyses indicated limited daytime heating under variable cloud cover and a passing frontal boundary, consistent with the recorded peak. This aligns with late-summer climatology for the region while reflecting real-time conditions that prevented stronger insolation. The 100% implied probability reflects traders' recognition that official station data, verified through standard quality controls, resolve the contract with minimal ambiguity. Only a rare post-event revision to the archived maximum—such as from instrument recalibration or undetected data error—could alter the result, though historical precedents for such changes remain exceedingly low.
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 24?
Highest temperature in Toronto on August 24?
22°C 100.0%
14°C or below <1%
15°C <1%
16°C <1%
$56,403 Vol.
$56,403 Vol.
Aug 24, 2026
14°C or below
No
15°C
No
16°C
No
17°C
No
18°C
No
19°C
No
20°C
No
21°C
No
22°C
Yes
23°C
No
24°C or higher
No
22°C 100.0%
14°C or below <1%
15°C <1%
16°C <1%
$56,403 Vol.
$56,403 Vol.
Aug 24, 2026
14°C or below
$787 Vol.
No
15°C
$844 Vol.
No
16°C
$1,890 Vol.
No
17°C
$2,704 Vol.
No
18°C
$4,715 Vol.
No
19°C
$5,260 Vol.
No
20°C
$6,930 Vol.
No
21°C
$21,502 Vol.
No
22°C
$6,655 Vol.
Yes
23°C
$2,992 Vol.
No
24°C or higher
$2,124 Vol.
No
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Toronto Pearson Intl Airport Station in degrees Celsius on 24 Aug '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=cyyz
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.Official meteorological observations from Environment Canada at Toronto Pearson International Airport established a daily maximum of exactly 22°C on August 24, 2026, driving the market's near-certain consensus on that outcome. Ensemble model guidance and surface analyses indicated limited daytime heating under variable cloud cover and a passing frontal boundary, consistent with the recorded peak. This aligns with late-summer climatology for the region while reflecting real-time conditions that prevented stronger insolation. The 100% implied probability reflects traders' recognition that official station data, verified through standard quality controls, resolve the contract with minimal ambiguity. Only a rare post-event revision to the archived maximum—such as from instrument recalibration or undetected data error—could alter the result, though historical precedents for such changes remain exceedingly low.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Toronto Pearson Intl Airport Station in degrees Celsius on 24 Aug '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=cyyz
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=cyyz
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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 22, 2026, 8:56 PM ET
Volume
$56,403End Date
Aug 24, 2026Market Opened
Aug 22, 2026, 8:56 PM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=cyyzResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Toronto Pearson Intl Airport Station in degrees Celsius on 24 Aug '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=cyyz
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.Official meteorological observations from Environment Canada at Toronto Pearson International Airport established a daily maximum of exactly 22°C on August 24, 2026, driving the market's near-certain consensus on that outcome. Ensemble model guidance and surface analyses indicated limited daytime heating under variable cloud cover and a passing frontal boundary, consistent with the recorded peak. This aligns with late-summer climatology for the region while reflecting real-time conditions that prevented stronger insolation. The 100% implied probability reflects traders' recognition that official station data, verified through standard quality controls, resolve the contract with minimal ambiguity. Only a rare post-event revision to the archived maximum—such as from instrument recalibration or undetected data error—could alter the result, though historical precedents for such changes remain exceedingly low.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Toronto Pearson Intl Airport Station in degrees Celsius on 24 Aug '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=cyyz
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=cyyz
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.
Volume
$56,403End Date
Aug 24, 2026Market Opened
Aug 22, 2026, 8:56 PM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=cyyzResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official meteorological observations from Environment Canada at Toronto Pearson International Airport established a daily maximum of exactly 22°C on August 24, 2026, driving the market's near-certain consensus on that outcome. Ensemble model guidance and surface analyses indicated limited daytime heating under variable cloud cover and a passing frontal boundary, consistent with the recorded peak. This aligns with late-summer climatology for the region while reflecting real-time conditions that prevented stronger insolation. The 100% implied probability reflects traders' recognition that official station data, verified through standard quality controls, resolve the contract with minimal ambiguity. Only a rare post-event revision to the archived maximum—such as from instrument recalibration or undetected data error—could alter the result, though historical precedents for such changes remain exceedingly low.
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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