Latest ensemble forecasts from Environment and Climate Change Canada and supporting global models show the most likely daytime high in Toronto on June 10 falling between 28–30 °C, reflecting a mix of southerly flow, partial cloud cover, and possible afternoon showers that limit full solar heating. These conditions produce a narrow probability spread because small shifts in timing of cloud build-up or wind direction can alter peak temperatures by 1–2 °C. Historical June averages near 24 °C provide context, while current model consensus and observed upstream warmth support the market’s tight clustering around the upper end of the typical range. Updated model runs and official briefings expected later today will refine the exact maximum.
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 10?
Highest temperature in Toronto on June 10?
29°C 28%
28°C 27%
30°C 24%
27°C 11%
NEW
NEW
Jun 10, 2026
25°C or below
1%
26°C
5%
27°C
11%
28°C
27%
29°C
28%
30°C
24%
31°C
6%
32°C
1%
33°C
<1%
34°C
<1%
35°C or higher
<1%
29°C 28%
28°C 27%
30°C 24%
27°C 11%
NEW
NEW
Jun 10, 2026
25°C or below
$133 Vol.
1%
26°C
$434 Vol.
5%
27°C
$310 Vol.
11%
28°C
$193 Vol.
27%
29°C
$204 Vol.
28%
30°C
$347 Vol.
24%
31°C
$85 Vol.
6%
32°C
$142 Vol.
1%
33°C
$116 Vol.
<1%
34°C
$89 Vol.
<1%
35°C or higher
$97 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 10 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.Latest ensemble forecasts from Environment and Climate Change Canada and supporting global models show the most likely daytime high in Toronto on June 10 falling between 28–30 °C, reflecting a mix of southerly flow, partial cloud cover, and possible afternoon showers that limit full solar heating. These conditions produce a narrow probability spread because small shifts in timing of cloud build-up or wind direction can alter peak temperatures by 1–2 °C. Historical June averages near 24 °C provide context, while current model consensus and observed upstream warmth support the market’s tight clustering around the upper end of the typical range. Updated model runs and official briefings expected later today will refine the exact maximum.
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 10 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 8, 2026, 10:03 PM ET
Volume
$1,949End Date
Jun 10, 2026Market Opened
Jun 8, 2026, 10:03 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 10 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.Latest ensemble forecasts from Environment and Climate Change Canada and supporting global models show the most likely daytime high in Toronto on June 10 falling between 28–30 °C, reflecting a mix of southerly flow, partial cloud cover, and possible afternoon showers that limit full solar heating. These conditions produce a narrow probability spread because small shifts in timing of cloud build-up or wind direction can alter peak temperatures by 1–2 °C. Historical June averages near 24 °C provide context, while current model consensus and observed upstream warmth support the market’s tight clustering around the upper end of the typical range. Updated model runs and official briefings expected later today will refine the exact maximum.
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 10 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
$1,949End Date
Jun 10, 2026Market Opened
Jun 8, 2026, 10:03 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Latest ensemble forecasts from Environment and Climate Change Canada and supporting global models show the most likely daytime high in Toronto on June 10 falling between 28–30 °C, reflecting a mix of southerly flow, partial cloud cover, and possible afternoon showers that limit full solar heating. These conditions produce a narrow probability spread because small shifts in timing of cloud build-up or wind direction can alter peak temperatures by 1–2 °C. Historical June averages near 24 °C provide context, while current model consensus and observed upstream warmth support the market’s tight clustering around the upper end of the typical range. Updated model runs and official briefings expected later today will refine the exact maximum.
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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