Environment Canada's latest forecast, issued at 5:00 AM EDT on April 11, projects a high of 20°C for Toronto on April 13 under cloudy conditions with a 40 percent chance of showers, anchoring trader-implied probabilities tightly around 19–21°C outcomes at 22.5–19.5 percent. This reflects overnight updates to the Global Environmental Multiscale model suite, which warmed the outlook from 18°C on April 9 amid strengthening warm air advection from a developing upper-level ridge, pushing above the April normal of 11°C. Differentiating factors include shower timing and cloud cover extent—persistent overcast could limit peaks to 19°C via reduced insolation, while afternoon sun breaks might boost to 21°C through enhanced boundary layer heating. New guidance expected this afternoon and Sunday observations will clarify model consensus.
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 April 13?
Highest temperature in Toronto on April 13?
19°C 30%
20°C 21.8%
21°C 19%
18°C 11%
$11,461 Vol.
$11,461 Vol.
Apr 13, 2026
14°C or below
<1%
15°C
1%
16°C
2%
17°C
5%
18°C
11%
19°C
30%
20°C
22%
21°C
19%
22°C
10%
23°C
3%
24°C or higher
2%
19°C 30%
20°C 21.8%
21°C 19%
18°C 11%
$11,461 Vol.
$11,461 Vol.
Apr 13, 2026
14°C or below
$2,789 Vol.
<1%
15°C
$1,625 Vol.
1%
16°C
$1,247 Vol.
2%
17°C
$699 Vol.
5%
18°C
$1,400 Vol.
11%
19°C
$530 Vol.
30%
20°C
$517 Vol.
22%
21°C
$549 Vol.
19%
22°C
$467 Vol.
10%
23°C
$593 Vol.
3%
24°C or higher
$1,045 Vol.
2%
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 13 Apr '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.Environment Canada's latest forecast, issued at 5:00 AM EDT on April 11, projects a high of 20°C for Toronto on April 13 under cloudy conditions with a 40 percent chance of showers, anchoring trader-implied probabilities tightly around 19–21°C outcomes at 22.5–19.5 percent. This reflects overnight updates to the Global Environmental Multiscale model suite, which warmed the outlook from 18°C on April 9 amid strengthening warm air advection from a developing upper-level ridge, pushing above the April normal of 11°C. Differentiating factors include shower timing and cloud cover extent—persistent overcast could limit peaks to 19°C via reduced insolation, while afternoon sun breaks might boost to 21°C through enhanced boundary layer heating. New guidance expected this afternoon and Sunday observations will clarify model consensus.
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 13 Apr '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.
Market Opened: Apr 9, 2026, 12:08 AM ET
Volume
$11,461End Date
Apr 13, 2026Market Opened
Apr 9, 2026, 12:08 AM 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 13 Apr '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.Environment Canada's latest forecast, issued at 5:00 AM EDT on April 11, projects a high of 20°C for Toronto on April 13 under cloudy conditions with a 40 percent chance of showers, anchoring trader-implied probabilities tightly around 19–21°C outcomes at 22.5–19.5 percent. This reflects overnight updates to the Global Environmental Multiscale model suite, which warmed the outlook from 18°C on April 9 amid strengthening warm air advection from a developing upper-level ridge, pushing above the April normal of 11°C. Differentiating factors include shower timing and cloud cover extent—persistent overcast could limit peaks to 19°C via reduced insolation, while afternoon sun breaks might boost to 21°C through enhanced boundary layer heating. New guidance expected this afternoon and Sunday observations will clarify model consensus.
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 13 Apr '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
$11,461End Date
Apr 13, 2026Market Opened
Apr 9, 2026, 12:08 AM ETResolution Source
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Environment Canada's latest forecast, issued at 5:00 AM EDT on April 11, projects a high of 20°C for Toronto on April 13 under cloudy conditions with a 40 percent chance of showers, anchoring trader-implied probabilities tightly around 19–21°C outcomes at 22.5–19.5 percent. This reflects overnight updates to the Global Environmental Multiscale model suite, which warmed the outlook from 18°C on April 9 amid strengthening warm air advection from a developing upper-level ridge, pushing above the April normal of 11°C. Differentiating factors include shower timing and cloud cover extent—persistent overcast could limit peaks to 19°C via reduced insolation, while afternoon sun breaks might boost to 21°C through enhanced boundary layer heating. New guidance expected this afternoon and Sunday observations will clarify model consensus.
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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