Official forecasts from Environment Canada indicate a high near 30°C for Toronto on June 11 amid a mix of sun and cloud with a 40% chance of showers, reflecting a transitional pattern from early-month cool, unsettled conditions toward warmer mid-June setups. Model consensus supports this range, though variable cloud cover, precipitation timing, and potential lake-breeze effects at Pearson Airport introduce uncertainty that differentiates closely matched outcomes around 29–32°C. Historical June averages near 24°C provide context, while the wisdom of crowds in the market aggregates real-capital assessments of these atmospheric variables ahead of 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 June 11?
31°C 33%
30°C 22%
32°C 18%
29°C 11%
26°C or below
<1%
27°C
3%
28°C
4%
29°C
11%
30°C
22%
31°C
33%
32°C
18%
33°C
11%
34°C
2%
35°C
<1%
36°C or higher
<1%
31°C 33%
30°C 22%
32°C 18%
29°C 11%
26°C or below
<1%
27°C
3%
28°C
4%
29°C
11%
30°C
22%
31°C
33%
32°C
18%
33°C
11%
34°C
2%
35°C
<1%
36°C or higher
<1%
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: Jun 9, 2026, 9:03 PM ET
Resolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...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...Official forecasts from Environment Canada indicate a high near 30°C for Toronto on June 11 amid a mix of sun and cloud with a 40% chance of showers, reflecting a transitional pattern from early-month cool, unsettled conditions toward warmer mid-June setups. Model consensus supports this range, though variable cloud cover, precipitation timing, and potential lake-breeze effects at Pearson Airport introduce uncertainty that differentiates closely matched outcomes around 29–32°C. Historical June averages near 24°C provide context, while the wisdom of crowds in the market aggregates real-capital assessments of these atmospheric variables ahead of 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