Forecast models from agencies like Environment Canada and AccuWeather indicate Toronto's June 9 high will likely peak near 23–26°C amid partly cloudy skies and a chance of afternoon showers or thunderstorms, consistent with early-month patterns following cooler early June conditions. Ensemble guidance shows modest variability in peak readings driven by timing of any convective activity and boundary-layer moisture, which can suppress or enhance daytime warming by 1–2°C. Historical June averages near 24°C provide context, while current steering patterns favor limited intensification potential. Market-implied odds cluster tightly around 25–26°C because these thresholds align with the narrow envelope of most likely observed maxima once official station data from Pearson Airport are finalized.
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 9?
Highest temperature in Toronto on June 9?
25°C 32%
26°C 29%
27°C 21%
24°C or below 16%
NEW
$25,964 Vol.
NEW
$25,964 Vol.
Jun 9, 2026
24°C or below
16%
25°C
32%
26°C
29%
27°C
21%
28°C
4%
29°C
<1%
30°C
<1%
31°C
<1%
32°C
<1%
33°C
<1%
34°C or higher
<1%
25°C 32%
26°C 29%
27°C 21%
24°C or below 16%
NEW
$25,964 Vol.
NEW
$25,964 Vol.
Jun 9, 2026
24°C or below
$4,037 Vol.
16%
25°C
$2,452 Vol.
32%
26°C
$1,608 Vol.
29%
27°C
$1,818 Vol.
21%
28°C
$4,505 Vol.
4%
29°C
$3,047 Vol.
<1%
30°C
$2,878 Vol.
<1%
31°C
$1,756 Vol.
<1%
32°C
$1,559 Vol.
<1%
33°C
$1,793 Vol.
<1%
34°C or higher
$898 Vol.
<1%
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 9 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.Forecast models from agencies like Environment Canada and AccuWeather indicate Toronto's June 9 high will likely peak near 23–26°C amid partly cloudy skies and a chance of afternoon showers or thunderstorms, consistent with early-month patterns following cooler early June conditions. Ensemble guidance shows modest variability in peak readings driven by timing of any convective activity and boundary-layer moisture, which can suppress or enhance daytime warming by 1–2°C. Historical June averages near 24°C provide context, while current steering patterns favor limited intensification potential. Market-implied odds cluster tightly around 25–26°C because these thresholds align with the narrow envelope of most likely observed maxima once official station data from Pearson Airport are finalized.
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 9 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 7, 2026, 9:03 PM ET
Volume
$25,964End Date
Jun 9, 2026Market Opened
Jun 7, 2026, 9:03 PM ETResolution 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 9 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.Forecast models from agencies like Environment Canada and AccuWeather indicate Toronto's June 9 high will likely peak near 23–26°C amid partly cloudy skies and a chance of afternoon showers or thunderstorms, consistent with early-month patterns following cooler early June conditions. Ensemble guidance shows modest variability in peak readings driven by timing of any convective activity and boundary-layer moisture, which can suppress or enhance daytime warming by 1–2°C. Historical June averages near 24°C provide context, while current steering patterns favor limited intensification potential. Market-implied odds cluster tightly around 25–26°C because these thresholds align with the narrow envelope of most likely observed maxima once official station data from Pearson Airport are finalized.
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 9 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
$25,964End Date
Jun 9, 2026Market Opened
Jun 7, 2026, 9:03 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Forecast models from agencies like Environment Canada and AccuWeather indicate Toronto's June 9 high will likely peak near 23–26°C amid partly cloudy skies and a chance of afternoon showers or thunderstorms, consistent with early-month patterns following cooler early June conditions. Ensemble guidance shows modest variability in peak readings driven by timing of any convective activity and boundary-layer moisture, which can suppress or enhance daytime warming by 1–2°C. Historical June averages near 24°C provide context, while current steering patterns favor limited intensification potential. Market-implied odds cluster tightly around 25–26°C because these thresholds align with the narrow envelope of most likely observed maxima once official station data from Pearson Airport are finalized.
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