Environment Canada’s latest forecast calls for a mix of sun and cloud over Toronto on May 18, supporting a daytime high near 28 °C as a warmer air mass advects northward ahead of a weak trough. Model consensus from the Global Environmental Multiscale and GFS ensembles shows surface temperatures peaking in the upper 20s Celsius, with the exact maximum hinging on afternoon cloud breaks that could allow greater insolation and push readings to 29–30 °C or keep them capped near 28 °C if showers develop earlier. This narrow spread around 28–30 °C explains the tightly matched market probabilities, while historical May climatology for the region indicates such warm anomalies occur several times per decade when southerly flow strengthens. Traders will watch the 18 UTC model runs and hourly Pearson Airport observations for the final resolution signal.
基於Polymarket數據的AI實驗性摘要。這不是交易建議,也不影響該市場的結算方式。 · 更新於5月18日多倫多氣溫最高?
29°C 32%
30°C 31%
28°C 25%
31°C 14%
22°C or below
<1%
23°C
1%
24°C
4%
25°C
2%
26°C
8%
27°C
6%
28°C
25%
29°C
32%
30°C
31%
31°C
14%
32°C或更高
5%
29°C 32%
30°C 31%
28°C 25%
31°C 14%
22°C or below
<1%
23°C
1%
24°C
4%
25°C
2%
26°C
8%
27°C
6%
28°C
25%
29°C
32%
30°C
31%
31°C
14%
32°C或更高
5%
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.
市場開放時間: May 16, 2026, 12:03 AM ET
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.
Environment Canada’s latest forecast calls for a mix of sun and cloud over Toronto on May 18, supporting a daytime high near 28 °C as a warmer air mass advects northward ahead of a weak trough. Model consensus from the Global Environmental Multiscale and GFS ensembles shows surface temperatures peaking in the upper 20s Celsius, with the exact maximum hinging on afternoon cloud breaks that could allow greater insolation and push readings to 29–30 °C or keep them capped near 28 °C if showers develop earlier. This narrow spread around 28–30 °C explains the tightly matched market probabilities, while historical May climatology for the region indicates such warm anomalies occur several times per decade when southerly flow strengthens. Traders will watch the 18 UTC model runs and hourly Pearson Airport observations for the final resolution signal.
基於Polymarket數據的AI實驗性摘要。這不是交易建議,也不影響該市場的結算方式。 · 更新於
警惕外部連結哦。
警惕外部連結哦。
Frequently Asked Questions