Recent short-range forecasts from Environment Canada and global models indicate a high near 23°C for Toronto on June 15 under partly sunny skies with a 40% chance of showers, creating modest uncertainty around peak values. This aligns with the market's tight clustering between 20°C and 21°C, as variability in cloud cover, precipitation timing, and boundary-layer mixing can easily shift the daily maximum by 1–2°C. Mid-June climatology places the typical high at 22–24°C, providing context for why traders see little support for outcomes above 22°C or below 19°C. Updated model runs and official guidance from the Canadian Meteorological Centre will likely refine these projections before 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 15?
20°C 41%
21°C 37%
19°C 13%
22°C 10%
$10,918 Vol.
$10,918 Vol.
15°C or below
<1%
16°C
<1%
17°C
<1%
18°C
3%
19°C
13%
20°C
41%
21°C
37%
22°C
10%
23°C
2%
24°C
<1%
25°C or higher
<1%
20°C 41%
21°C 37%
19°C 13%
22°C 10%
$10,918 Vol.
$10,918 Vol.
15°C or below
<1%
16°C
<1%
17°C
<1%
18°C
3%
19°C
13%
20°C
41%
21°C
37%
22°C
10%
23°C
2%
24°C
<1%
25°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 13, 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...Recent short-range forecasts from Environment Canada and global models indicate a high near 23°C for Toronto on June 15 under partly sunny skies with a 40% chance of showers, creating modest uncertainty around peak values. This aligns with the market's tight clustering between 20°C and 21°C, as variability in cloud cover, precipitation timing, and boundary-layer mixing can easily shift the daily maximum by 1–2°C. Mid-June climatology places the typical high at 22–24°C, providing context for why traders see little support for outcomes above 22°C or below 19°C. Updated model runs and official guidance from the Canadian Meteorological Centre will likely refine these projections before resolution.
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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