**Current forecast models indicate a daytime high in the low-to-mid 20s°C for Toronto on June 27, 2026, with trader consensus clustered around 25–26°C reflecting uncertainty in afternoon heating.** Key differentiators include variable cloud cover and potential lake-breeze moderation from Lake Ontario, which can cap temperatures through enhanced mixing and onshore flow. Stronger solar insolation under partly sunny conditions could push readings toward 26–27°C if subsidence strengthens or winds remain light, while increased moisture or earlier shower development would favor 24°C or lower by limiting surface warming. Environment Canada and regional model runs (including timing of any frontal passage) will refine the outcome ahead of official daily maximum observations at Pearson Airport.
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 27?
Highest temperature in Toronto on June 27?
26°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$36,911 Vol.
$36,911 Vol.
Jun 27, 2026
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C
No
26°C
Yes
27°C
No
28°C
No
29°C
No
30°C or higher
No
26°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$36,911 Vol.
$36,911 Vol.
Jun 27, 2026
20°C or below
$1,067 Vol.
No
21°C
$1,054 Vol.
No
22°C
$1,709 Vol.
No
23°C
$2,198 Vol.
No
24°C
$3,946 Vol.
No
25°C
$10,672 Vol.
No
26°C
$5,961 Vol.
Yes
27°C
$5,197 Vol.
No
28°C
$2,022 Vol.
No
29°C
$1,711 Vol.
No
30°C or higher
$1,372 Vol.
No
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 27 Jun '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.**Current forecast models indicate a daytime high in the low-to-mid 20s°C for Toronto on June 27, 2026, with trader consensus clustered around 25–26°C reflecting uncertainty in afternoon heating.** Key differentiators include variable cloud cover and potential lake-breeze moderation from Lake Ontario, which can cap temperatures through enhanced mixing and onshore flow. Stronger solar insolation under partly sunny conditions could push readings toward 26–27°C if subsidence strengthens or winds remain light, while increased moisture or earlier shower development would favor 24°C or lower by limiting surface warming. Environment Canada and regional model runs (including timing of any frontal passage) will refine the outcome ahead of official daily maximum observations at Pearson Airport.
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 27 Jun '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: Jun 25, 2026, 9:01 PM ET
Volume
$36,911End Date
Jun 27, 2026Market Opened
Jun 25, 2026, 9:01 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
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 27 Jun '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.**Current forecast models indicate a daytime high in the low-to-mid 20s°C for Toronto on June 27, 2026, with trader consensus clustered around 25–26°C reflecting uncertainty in afternoon heating.** Key differentiators include variable cloud cover and potential lake-breeze moderation from Lake Ontario, which can cap temperatures through enhanced mixing and onshore flow. Stronger solar insolation under partly sunny conditions could push readings toward 26–27°C if subsidence strengthens or winds remain light, while increased moisture or earlier shower development would favor 24°C or lower by limiting surface warming. Environment Canada and regional model runs (including timing of any frontal passage) will refine the outcome ahead of official daily maximum observations at Pearson Airport.
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 27 Jun '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
$36,911End Date
Jun 27, 2026Market Opened
Jun 25, 2026, 9:01 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
**Current forecast models indicate a daytime high in the low-to-mid 20s°C for Toronto on June 27, 2026, with trader consensus clustered around 25–26°C reflecting uncertainty in afternoon heating.** Key differentiators include variable cloud cover and potential lake-breeze moderation from Lake Ontario, which can cap temperatures through enhanced mixing and onshore flow. Stronger solar insolation under partly sunny conditions could push readings toward 26–27°C if subsidence strengthens or winds remain light, while increased moisture or earlier shower development would favor 24°C or lower by limiting surface warming. Environment Canada and regional model runs (including timing of any frontal passage) will refine the outcome ahead of official daily maximum observations at Pearson Airport.
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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