Trader consensus on Polymarket heavily favors a highest temperature of 0°C in Toronto on March 27 (90% implied probability), driven by the latest Environment Canada forecasts showing a daytime high of exactly 1°C at Pearson International Airport under cloudy skies with possible flurries, amid a persistent arctic air mass. Global forecast models like the GEM, GFS, and ECMWF exhibit strong agreement on minimal daytime warming due to cold advection from a deepening upper-level trough over eastern Canada, with surface high pressure reinforcing subfreezing conditions. Recent 24-hour updates confirm no significant warm-up signals, positioning 1°C (8%) as a close secondary outcome while ruling out 3°C or higher amid typical late-March temperature anomalies 4–6°C below seasonal averages. Watch for final hourly observations resolving the precise peak.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten · AktualisiertHighest temperature in Toronto on March 27?
Highest temperature in Toronto on March 27?
0°C 92.0%
1°C 5.5%
3°C or higher <1%
2°C <1%
$145,701 Vol.
$145,701 Vol.
0°C
92%
1°C
8%
2°C
<1%
3°C or higher
1%
0°C 92.0%
1°C 5.5%
3°C or higher <1%
2°C <1%
$145,701 Vol.
$145,701 Vol.
0°C
92%
1°C
8%
2°C
<1%
3°C or higher
1%
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.
Markt eröffnet: Mar 23, 2026, 6:02 AM ET
Resolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...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.
Resolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Trader consensus on Polymarket heavily favors a highest temperature of 0°C in Toronto on March 27 (90% implied probability), driven by the latest Environment Canada forecasts showing a daytime high of exactly 1°C at Pearson International Airport under cloudy skies with possible flurries, amid a persistent arctic air mass. Global forecast models like the GEM, GFS, and ECMWF exhibit strong agreement on minimal daytime warming due to cold advection from a deepening upper-level trough over eastern Canada, with surface high pressure reinforcing subfreezing conditions. Recent 24-hour updates confirm no significant warm-up signals, positioning 1°C (8%) as a close secondary outcome while ruling out 3°C or higher amid typical late-March temperature anomalies 4–6°C below seasonal averages. Watch for final hourly observations resolving the precise peak.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten · Aktualisiert
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