Official observations from Environment Canada stations in Toronto recorded a daily maximum of exactly 26°C on August 7, 2026, aligning with the market's near-certain consensus. Forecast models from the Canadian Meteorological Centre showed consistent guidance for this peak under stable high-pressure conditions and light winds, with minimal model spread in the 24–48 hours preceding the date. Historical August climatology for the region supports highs near 25–27°C as typical, reinforcing trader confidence once real-time data confirmed no heat-wave deviation. A revised station reading or post-event quality-control adjustment remains the only realistic path to altering the outcome, though such changes are rare at major urban sites.
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 7?
Highest temperature in Toronto on August 7?
26°C 100.0%
22°C or below <1%
23°C <1%
24°C <1%
$90,080 Vol.
$90,080 Vol.
Aug 7, 2026
22°C or below
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
100%
27°C
<1%
28°C
<1%
29°C
<1%
30°C
<1%
31°C
<1%
32°C or higher
<1%
26°C 100.0%
22°C or below <1%
23°C <1%
24°C <1%
$90,080 Vol.
$90,080 Vol.
Aug 7, 2026
22°C or below
$2,358 Vol.
<1%
23°C
$8,480 Vol.
<1%
24°C
$6,536 Vol.
<1%
25°C
$13,945 Vol.
<1%
26°C
$13,556 Vol.
100%
27°C
$11,455 Vol.
<1%
28°C
$16,045 Vol.
<1%
29°C
$12,586 Vol.
<1%
30°C
$2,659 Vol.
<1%
31°C
$1,081 Vol.
<1%
32°C or higher
$1,379 Vol.
<1%
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
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 7 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.Official observations from Environment Canada stations in Toronto recorded a daily maximum of exactly 26°C on August 7, 2026, aligning with the market's near-certain consensus. Forecast models from the Canadian Meteorological Centre showed consistent guidance for this peak under stable high-pressure conditions and light winds, with minimal model spread in the 24–48 hours preceding the date. Historical August climatology for the region supports highs near 25–27°C as typical, reinforcing trader confidence once real-time data confirmed no heat-wave deviation. A revised station reading or post-event quality-control adjustment remains the only realistic path to altering the outcome, though such changes are rare at major urban sites.
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
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 7 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.
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 7 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 5, 2026, 9:02 PM ET
Volume
$90,080End Date
Aug 7, 2026Market Opened
Aug 5, 2026, 9:02 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
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 7 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.Official observations from Environment Canada stations in Toronto recorded a daily maximum of exactly 26°C on August 7, 2026, aligning with the market's near-certain consensus. Forecast models from the Canadian Meteorological Centre showed consistent guidance for this peak under stable high-pressure conditions and light winds, with minimal model spread in the 24–48 hours preceding the date. Historical August climatology for the region supports highs near 25–27°C as typical, reinforcing trader confidence once real-time data confirmed no heat-wave deviation. A revised station reading or post-event quality-control adjustment remains the only realistic path to altering the outcome, though such changes are rare at major urban sites.
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
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 7 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.
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 7 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.
Volume
$90,080End Date
Aug 7, 2026Market Opened
Aug 5, 2026, 9:02 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Official observations from Environment Canada stations in Toronto recorded a daily maximum of exactly 26°C on August 7, 2026, aligning with the market's near-certain consensus. Forecast models from the Canadian Meteorological Centre showed consistent guidance for this peak under stable high-pressure conditions and light winds, with minimal model spread in the 24–48 hours preceding the date. Historical August climatology for the region supports highs near 25–27°C as typical, reinforcing trader confidence once real-time data confirmed no heat-wave deviation. A revised station reading or post-event quality-control adjustment remains the only realistic path to altering the outcome, though such changes are rare at major urban sites.
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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