Trader consensus centers on a Toronto high of 29°C for August 5, driven by short-range model consensus from Environment and Climate Canada and global ensembles showing a warm air mass advecting across the region with afternoon maxima near 28–30°C. Recent surface observations and guidance indicate limited cloud cover and weak lake-breeze moderation, allowing temperatures to build above seasonal averages amid ongoing positive temperature anomalies in the Great Lakes basin. Low precipitation probability reduces evaporative cooling, while model spread remains narrow on the upper 20s range, supporting elevated implied probabilities for 28–30°C outcomes ahead of the final observational reading.
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 5?
Highest temperature in Toronto on August 5?
29°C 40%
28°C 26%
30°C 19%
27°C 8%
NEW
NEW
Aug 5, 2026
23°C or below
1%
24°C
1%
25°C
1%
26°C
2%
27°C
8%
28°C
26%
29°C
40%
30°C
19%
31°C
7%
32°C
3%
33°C or higher
2%
29°C 40%
28°C 26%
30°C 19%
27°C 8%
NEW
NEW
Aug 5, 2026
23°C or below
$120 Vol.
1%
24°C
$116 Vol.
1%
25°C
$19 Vol.
1%
26°C
$37 Vol.
2%
27°C
$64 Vol.
8%
28°C
$276 Vol.
26%
29°C
$281 Vol.
40%
30°C
$46 Vol.
19%
31°C
$50 Vol.
7%
32°C
$115 Vol.
3%
33°C or higher
$89 Vol.
2%
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 5 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.Trader consensus centers on a Toronto high of 29°C for August 5, driven by short-range model consensus from Environment and Climate Canada and global ensembles showing a warm air mass advecting across the region with afternoon maxima near 28–30°C. Recent surface observations and guidance indicate limited cloud cover and weak lake-breeze moderation, allowing temperatures to build above seasonal averages amid ongoing positive temperature anomalies in the Great Lakes basin. Low precipitation probability reduces evaporative cooling, while model spread remains narrow on the upper 20s range, supporting elevated implied probabilities for 28–30°C outcomes ahead of the final observational reading.
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 5 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.
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 3, 2026, 9:02 PM ET
Volume
$1,045End Date
Aug 5, 2026Market Opened
Aug 3, 2026, 9:02 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...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 5 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.Trader consensus centers on a Toronto high of 29°C for August 5, driven by short-range model consensus from Environment and Climate Canada and global ensembles showing a warm air mass advecting across the region with afternoon maxima near 28–30°C. Recent surface observations and guidance indicate limited cloud cover and weak lake-breeze moderation, allowing temperatures to build above seasonal averages amid ongoing positive temperature anomalies in the Great Lakes basin. Low precipitation probability reduces evaporative cooling, while model spread remains narrow on the upper 20s range, supporting elevated implied probabilities for 28–30°C outcomes ahead of the final observational reading.
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 5 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.
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
$1,045End Date
Aug 5, 2026Market Opened
Aug 3, 2026, 9:02 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Trader consensus centers on a Toronto high of 29°C for August 5, driven by short-range model consensus from Environment and Climate Canada and global ensembles showing a warm air mass advecting across the region with afternoon maxima near 28–30°C. Recent surface observations and guidance indicate limited cloud cover and weak lake-breeze moderation, allowing temperatures to build above seasonal averages amid ongoing positive temperature anomalies in the Great Lakes basin. Low precipitation probability reduces evaporative cooling, while model spread remains narrow on the upper 20s range, supporting elevated implied probabilities for 28–30°C outcomes ahead of the final observational reading.
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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