Recent short-range forecast models from agencies like Environment Canada and NOAA ensembles point to a mild overnight low near 20–21°C for Toronto on September 1, driven by southwesterly flow, moderating Great Lakes influence, and limited radiational cooling under partly cloudy skies. Trader sentiment remains split because small differences in cloud thickness, dew-point advection, or a passing weak front could shift the minimum by 2–4°C either way, while climatological norms for early September (around 15–18°C) provide little anchoring this close to the date. Upcoming model runs and evening observations will likely tighten the distribution ahead of resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Toronto on September 1?
Lowest temperature in Toronto on September 1?
24°C or higher 58%
14°C or below 52%
18°C 50%
21°C 49%
NEW
NEW
Sep 1, 2026
14°C or below
52%
15°C
27%
16°C
20%
17°C
25%
18°C
50%
19°C
26%
20°C
26%
21°C
49%
22°C
25%
23°C
49%
24°C or higher
58%
24°C or higher 58%
14°C or below 52%
18°C 50%
21°C 49%
NEW
NEW
Sep 1, 2026
14°C or below
$5 Vol.
52%
15°C
$5 Vol.
27%
16°C
$0 Vol.
20%
17°C
$0 Vol.
25%
18°C
$0 Vol.
50%
19°C
$0 Vol.
26%
20°C
$0 Vol.
26%
21°C
$0 Vol.
49%
22°C
$0 Vol.
25%
23°C
$5 Vol.
49%
24°C or higher
$5 Vol.
58%
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Toronto Pearson Intl Airport Station in degrees Celsius on 1 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest 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.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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.Recent short-range forecast models from agencies like Environment Canada and NOAA ensembles point to a mild overnight low near 20–21°C for Toronto on September 1, driven by southwesterly flow, moderating Great Lakes influence, and limited radiational cooling under partly cloudy skies. Trader sentiment remains split because small differences in cloud thickness, dew-point advection, or a passing weak front could shift the minimum by 2–4°C either way, while climatological norms for early September (around 15–18°C) provide little anchoring this close to the date. Upcoming model runs and evening observations will likely tighten the distribution ahead of resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Toronto Pearson Intl Airport Station in degrees Celsius on 1 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest 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.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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.
The resolution source for this market will be information from NOAA, specifically the lowest 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.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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: Aug 30, 2026, 8:29 AM ET
Volume
$20End Date
Sep 1, 2026Market Opened
Aug 30, 2026, 8:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=cyyzResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Toronto Pearson Intl Airport Station in degrees Celsius on 1 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest 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.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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.Recent short-range forecast models from agencies like Environment Canada and NOAA ensembles point to a mild overnight low near 20–21°C for Toronto on September 1, driven by southwesterly flow, moderating Great Lakes influence, and limited radiational cooling under partly cloudy skies. Trader sentiment remains split because small differences in cloud thickness, dew-point advection, or a passing weak front could shift the minimum by 2–4°C either way, while climatological norms for early September (around 15–18°C) provide little anchoring this close to the date. Upcoming model runs and evening observations will likely tighten the distribution ahead of resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Toronto Pearson Intl Airport Station in degrees Celsius on 1 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest 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.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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.
The resolution source for this market will be information from NOAA, specifically the lowest 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.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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.
Volume
$20End Date
Sep 1, 2026Market Opened
Aug 30, 2026, 8:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=cyyzResolver
0x69c47De9D...Recent short-range forecast models from agencies like Environment Canada and NOAA ensembles point to a mild overnight low near 20–21°C for Toronto on September 1, driven by southwesterly flow, moderating Great Lakes influence, and limited radiational cooling under partly cloudy skies. Trader sentiment remains split because small differences in cloud thickness, dew-point advection, or a passing weak front could shift the minimum by 2–4°C either way, while climatological norms for early September (around 15–18°C) provide little anchoring this close to the date. Upcoming model runs and evening observations will likely tighten the distribution ahead of resolution.
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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