Current forecasts from Environment Canada and The Weather Network indicate a high near 27–28°C for Toronto on August 8, with cloudy skies and a 40–60% chance of showers that could suppress afternoon peaks. Warm advection ahead of a weak frontal system and residual summer warmth support the market’s emphasis on 29–30°C outcomes, which together exceed 69% implied probability. Model consensus remains tight around these values, though any earlier clearing or stronger southerly flow could push readings toward the upper end of the range. Historical August maxima average near 26°C, making the current positioning slightly above climatology amid stable but unsettled conditions. Updated model runs and afternoon observations tomorrow will likely refine the resolution.
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 8?
30°C 47%
29°C 24%
31°C 16%
28°C 15%
24°C or below
1%
25°C
1%
26°C
3%
27°C
6%
28°C
15%
29°C
24%
30°C
47%
31°C
16%
32°C
9%
33°C
2%
34°C or higher
3%
30°C 47%
29°C 24%
31°C 16%
28°C 15%
24°C or below
1%
25°C
1%
26°C
3%
27°C
6%
28°C
15%
29°C
24%
30°C
47%
31°C
16%
32°C
9%
33°C
2%
34°C or higher
3%
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 8 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 6, 2026, 9:02 PM ET
Resolution 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 8 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...Current forecasts from Environment Canada and The Weather Network indicate a high near 27–28°C for Toronto on August 8, with cloudy skies and a 40–60% chance of showers that could suppress afternoon peaks. Warm advection ahead of a weak frontal system and residual summer warmth support the market’s emphasis on 29–30°C outcomes, which together exceed 69% implied probability. Model consensus remains tight around these values, though any earlier clearing or stronger southerly flow could push readings toward the upper end of the range. Historical August maxima average near 26°C, making the current positioning slightly above climatology amid stable but unsettled conditions. Updated model runs and afternoon observations tomorrow will likely refine the resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

Beware of external links.
Beware of external links.
Frequently Asked Questions