Recent official forecasts from Environment Canada place Toronto’s September 8 high at 23–25 °C under a mix of sun and increasing cloud, with light southerly or southeasterly flow and minimal daytime precipitation risk. Multiple numerical models converge on this narrow range, though afternoon cloud build-up and slight timing differences in any clearing could shift the daily maximum by 1–2 °C. Historical climatology for the date centers near 23.5 °C, providing a baseline that current guidance slightly exceeds. Trader sentiment clusters tightly between 24 °C and 25 °C because these outcomes align with the most probable model consensus and observed steering patterns, while lower or higher extremes remain unlikely absent unexpected changes in cloud cover or advection.
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 September 8?
25°C 44%
24°C 36%
26°C 15%
23°C 7%
19°C or below
1%
20°C
1%
21°C
1%
22°C
3%
23°C
7%
24°C
36%
25°C
44%
26°C
15%
27°C
3%
28°C
<1%
29°C or higher
<1%
25°C 44%
24°C 36%
26°C 15%
23°C 7%
19°C or below
1%
20°C
1%
21°C
1%
22°C
3%
23°C
7%
24°C
36%
25°C
44%
26°C
15%
27°C
3%
28°C
<1%
29°C or higher
<1%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=cyyz
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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: Sep 6, 2026, 8:55 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=cyyzResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=cyyz
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=cyyzResolver
0x69c47De9D...Recent official forecasts from Environment Canada place Toronto’s September 8 high at 23–25 °C under a mix of sun and increasing cloud, with light southerly or southeasterly flow and minimal daytime precipitation risk. Multiple numerical models converge on this narrow range, though afternoon cloud build-up and slight timing differences in any clearing could shift the daily maximum by 1–2 °C. Historical climatology for the date centers near 23.5 °C, providing a baseline that current guidance slightly exceeds. Trader sentiment clusters tightly between 24 °C and 25 °C because these outcomes align with the most probable model consensus and observed steering patterns, while lower or higher extremes remain unlikely absent unexpected changes in cloud cover or advection.
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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