Latest Environment Canada forecasts indicate sunny skies and a daytime high near 31°C for Toronto on May 18, driven by southwesterly flow and stable high pressure that supports daytime heating. With market-implied odds clustered tightly around 29–31°C, traders are weighing subtle variables including potential afternoon cloud build-up, surface wind speeds, and minor model adjustments to maximum temperature. Official guidance from Environment Canada highlights minimal precipitation risk, keeping the focus on thermal advection from warmer southern air masses. Historical May averages for the region sit several degrees lower, underscoring how current synoptic patterns could push readings into the upper range of seasonal norms. Updated model runs and next-day observations will refine the precise peak before resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in Toronto on May 18?
Highest temperature in Toronto on May 18?
30°C 26%
31°C 25%
29°C 19%
32°C or higher 16%
BAGO
$19,436 Vol.
BAGO
$19,436 Vol.
May 18, 2026
22°C or below
<1%
23°C
<1%
24°C
<1%
25°C
1%
26°C
1%
27°C
3%
28°C
13%
29°C
19%
30°C
26%
31°C
25%
32°C or higher
16%
30°C 26%
31°C 25%
29°C 19%
32°C or higher 16%
BAGO
$19,436 Vol.
BAGO
$19,436 Vol.
May 18, 2026
22°C or below
$4,346 Vol.
<1%
23°C
$1,116 Vol.
<1%
24°C
$1,708 Vol.
<1%
25°C
$1,992 Vol.
1%
26°C
$1,745 Vol.
1%
27°C
$1,010 Vol.
3%
28°C
$2,107 Vol.
13%
29°C
$1,643 Vol.
19%
30°C
$877 Vol.
26%
31°C
$1,067 Vol.
25%
32°C or higher
$1,825 Vol.
16%
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 18 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Latest Environment Canada forecasts indicate sunny skies and a daytime high near 31°C for Toronto on May 18, driven by southwesterly flow and stable high pressure that supports daytime heating. With market-implied odds clustered tightly around 29–31°C, traders are weighing subtle variables including potential afternoon cloud build-up, surface wind speeds, and minor model adjustments to maximum temperature. Official guidance from Environment Canada highlights minimal precipitation risk, keeping the focus on thermal advection from warmer southern air masses. Historical May averages for the region sit several degrees lower, underscoring how current synoptic patterns could push readings into the upper range of seasonal norms. Updated model runs and next-day observations will refine the precise peak before resolution.
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 18 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Binuksan ang Market: May 16, 2026, 12:03 AM ET
Volume
$19,436Petsa ng Pagtatapos
May 18, 2026Binuksan ang Market
May 16, 2026, 12:03 AM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZThis market will resolve to the temperature range that contains the highest temperature recorded at the Toronto Pearson Intl Airport Station in degrees Celsius on 18 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Latest Environment Canada forecasts indicate sunny skies and a daytime high near 31°C for Toronto on May 18, driven by southwesterly flow and stable high pressure that supports daytime heating. With market-implied odds clustered tightly around 29–31°C, traders are weighing subtle variables including potential afternoon cloud build-up, surface wind speeds, and minor model adjustments to maximum temperature. Official guidance from Environment Canada highlights minimal precipitation risk, keeping the focus on thermal advection from warmer southern air masses. Historical May averages for the region sit several degrees lower, underscoring how current synoptic patterns could push readings into the upper range of seasonal norms. Updated model runs and next-day observations will refine the precise peak before resolution.
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 18 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Volume
$19,436Petsa ng Pagtatapos
May 18, 2026Binuksan ang Market
May 16, 2026, 12:03 AM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZLatest Environment Canada forecasts indicate sunny skies and a daytime high near 31°C for Toronto on May 18, driven by southwesterly flow and stable high pressure that supports daytime heating. With market-implied odds clustered tightly around 29–31°C, traders are weighing subtle variables including potential afternoon cloud build-up, surface wind speeds, and minor model adjustments to maximum temperature. Official guidance from Environment Canada highlights minimal precipitation risk, keeping the focus on thermal advection from warmer southern air masses. Historical May averages for the region sit several degrees lower, underscoring how current synoptic patterns could push readings into the upper range of seasonal norms. Updated model runs and next-day observations will refine the precise peak before resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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