**Current forecasts from Environment Canada and The Weather Network point to a sunny June 23 in Toronto with a high near 24–25°C, aligning with the market’s tight clustering around those outcomes.** Weak high pressure and light northerly winds should allow moderate daytime heating, while the moderating influence of cooler Lake Ontario water and potential afternoon lake breezes cap maximum temperatures close to seasonal norms of about 24°C. Model consensus shows limited disagreement on cloud cover or timing of any weak boundary, which explains why 24°C (30%), 25°C (30.5%), and 26°C (21.5%) remain nearly even: small shifts in insolation, boundary-layer moisture, or wind direction could easily move the observed high by 1–2°C. With resolution imminent, traders are weighting the latest official guidance most heavily.
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 23?
Highest temperature in Toronto on June 23?
24°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$28,074 Vol.
$28,074 Vol.
Jun 23, 2026
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
Yes
25°C
No
26°C
No
27°C
No
28°C
No
29°C
No
30°C or higher
No
24°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$28,074 Vol.
$28,074 Vol.
Jun 23, 2026
20°C or below
$751 Vol.
No
21°C
$1,530 Vol.
No
22°C
$2,820 Vol.
No
23°C
$5,938 Vol.
No
24°C
$8,379 Vol.
Yes
25°C
$4,114 Vol.
No
26°C
$2,022 Vol.
No
27°C
$1,167 Vol.
No
28°C
$757 Vol.
No
29°C
$393 Vol.
No
30°C or higher
$204 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 23 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 forecasts from Environment Canada and The Weather Network point to a sunny June 23 in Toronto with a high near 24–25°C, aligning with the market’s tight clustering around those outcomes.** Weak high pressure and light northerly winds should allow moderate daytime heating, while the moderating influence of cooler Lake Ontario water and potential afternoon lake breezes cap maximum temperatures close to seasonal norms of about 24°C. Model consensus shows limited disagreement on cloud cover or timing of any weak boundary, which explains why 24°C (30%), 25°C (30.5%), and 26°C (21.5%) remain nearly even: small shifts in insolation, boundary-layer moisture, or wind direction could easily move the observed high by 1–2°C. With resolution imminent, traders are weighting the latest official guidance most heavily.
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 23 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 21, 2026, 9:04 PM ET
Volume
$28,074End Date
Jun 23, 2026Market Opened
Jun 21, 2026, 9:04 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 23 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 forecasts from Environment Canada and The Weather Network point to a sunny June 23 in Toronto with a high near 24–25°C, aligning with the market’s tight clustering around those outcomes.** Weak high pressure and light northerly winds should allow moderate daytime heating, while the moderating influence of cooler Lake Ontario water and potential afternoon lake breezes cap maximum temperatures close to seasonal norms of about 24°C. Model consensus shows limited disagreement on cloud cover or timing of any weak boundary, which explains why 24°C (30%), 25°C (30.5%), and 26°C (21.5%) remain nearly even: small shifts in insolation, boundary-layer moisture, or wind direction could easily move the observed high by 1–2°C. With resolution imminent, traders are weighting the latest official guidance most heavily.
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 23 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
$28,074End Date
Jun 23, 2026Market Opened
Jun 21, 2026, 9:04 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
**Current forecasts from Environment Canada and The Weather Network point to a sunny June 23 in Toronto with a high near 24–25°C, aligning with the market’s tight clustering around those outcomes.** Weak high pressure and light northerly winds should allow moderate daytime heating, while the moderating influence of cooler Lake Ontario water and potential afternoon lake breezes cap maximum temperatures close to seasonal norms of about 24°C. Model consensus shows limited disagreement on cloud cover or timing of any weak boundary, which explains why 24°C (30%), 25°C (30.5%), and 26°C (21.5%) remain nearly even: small shifts in insolation, boundary-layer moisture, or wind direction could easily move the observed high by 1–2°C. With resolution imminent, traders are weighting the latest official guidance most heavily.
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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