Recent long-range forecasts from sources like the Old Farmer's Almanac and seasonal outlooks point to hot conditions across southern Ontario for July 1, with a few thunderstorms possible amid building heat, supporting the market's tight clustering around 35–37°C. Primary drivers include a transitioning atmospheric pattern favoring high pressure and southerly flow, though Great Lakes influences and potential lake breezes could moderate Toronto readings. Model spreads arise from uncertainties in storm timing, cloud cover, and exact peak intensity, with historical July maxima near 30–32°C providing baseline context. Traders weigh these variables against official Environment Canada guidance ahead of final observations.
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 July 1?
Highest temperature in Toronto on July 1?
36°C 100.0%
29°C or below <1%
30°C <1%
31°C <1%
$45,807 Vol.
$45,807 Vol.
Jul 1, 2026
29°C or below
No
30°C
No
31°C
No
32°C
No
33°C
No
34°C
No
35°C
No
36°C
Yes
37°C
No
38°C
No
39°C or higher
No
36°C 100.0%
29°C or below <1%
30°C <1%
31°C <1%
$45,807 Vol.
$45,807 Vol.
Jul 1, 2026
29°C or below
$2,363 Vol.
No
30°C
$2,680 Vol.
No
31°C
$1,207 Vol.
No
32°C
$1,678 Vol.
No
33°C
$2,398 Vol.
No
34°C
$3,883 Vol.
No
35°C
$8,499 Vol.
No
36°C
$7,076 Vol.
Yes
37°C
$5,187 Vol.
No
38°C
$5,820 Vol.
No
39°C or higher
$5,015 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 1 Jul '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.Recent long-range forecasts from sources like the Old Farmer's Almanac and seasonal outlooks point to hot conditions across southern Ontario for July 1, with a few thunderstorms possible amid building heat, supporting the market's tight clustering around 35–37°C. Primary drivers include a transitioning atmospheric pattern favoring high pressure and southerly flow, though Great Lakes influences and potential lake breezes could moderate Toronto readings. Model spreads arise from uncertainties in storm timing, cloud cover, and exact peak intensity, with historical July maxima near 30–32°C providing baseline context. Traders weigh these variables against official Environment Canada guidance ahead of final observations.
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 1 Jul '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 29, 2026, 9:02 PM ET
Volume
$45,807End Date
Jul 1, 2026Market Opened
Jun 29, 2026, 9:02 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 1 Jul '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.Recent long-range forecasts from sources like the Old Farmer's Almanac and seasonal outlooks point to hot conditions across southern Ontario for July 1, with a few thunderstorms possible amid building heat, supporting the market's tight clustering around 35–37°C. Primary drivers include a transitioning atmospheric pattern favoring high pressure and southerly flow, though Great Lakes influences and potential lake breezes could moderate Toronto readings. Model spreads arise from uncertainties in storm timing, cloud cover, and exact peak intensity, with historical July maxima near 30–32°C providing baseline context. Traders weigh these variables against official Environment Canada guidance ahead of final observations.
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 1 Jul '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
$45,807End Date
Jul 1, 2026Market Opened
Jun 29, 2026, 9:02 PM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Recent long-range forecasts from sources like the Old Farmer's Almanac and seasonal outlooks point to hot conditions across southern Ontario for July 1, with a few thunderstorms possible amid building heat, supporting the market's tight clustering around 35–37°C. Primary drivers include a transitioning atmospheric pattern favoring high pressure and southerly flow, though Great Lakes influences and potential lake breezes could moderate Toronto readings. Model spreads arise from uncertainties in storm timing, cloud cover, and exact peak intensity, with historical July maxima near 30–32°C providing baseline context. Traders weigh these variables against official Environment Canada guidance ahead of final observations.
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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