Forecast models from Environment Canada and other agencies indicate an overnight low near 11–15°C for Toronto on September 17, driven by northerly winds advecting cooler air and clear skies promoting radiative cooling after daytime highs of 23–25°C. This aligns with the market-implied 46.5% probability on 11°C or below, while probabilities clustered around 13–17°C reflect remaining uncertainty in exact minimums from hourly model runs. Historical September 17 lows average 13.5°C, with recent northerly flow and dew points in the low teens supporting the current trader consensus on a cooler-than-average night. Updated observations and final NHC-style verification will resolve the market.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · AktualisiertNiedrigste Temperatur in Toronto am 17. September?
11°C oder weniger 94%
16°C 52%
15°C 44%
12°C 40%
11°C oder weniger
94%
12°C
40%
13°C
21%
14°C
21%
15°C
24%
16°C
28%
17°C
<1%
18°C
<1%
19°C
<1%
20°C
<1%
21°C oder höher
<1%
11°C oder weniger 94%
16°C 52%
15°C 44%
12°C 40%
11°C oder weniger
94%
12°C
40%
13°C
21%
14°C
21%
15°C
24%
16°C
28%
17°C
<1%
18°C
<1%
19°C
<1%
20°C
<1%
21°C oder höher
<1%
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.
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.
Markt eröffnet: Sep 15, 2026, 8:29 AM ET
Abwicklungsquelle
https://www.weather.gov/wrh/timeseries?site=cyyzAbwickler
0x69c47De9D...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.
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.
Abwicklungsquelle
https://www.weather.gov/wrh/timeseries?site=cyyzAbwickler
0x69c47De9D...Forecast models from Environment Canada and other agencies indicate an overnight low near 11–15°C for Toronto on September 17, driven by northerly winds advecting cooler air and clear skies promoting radiative cooling after daytime highs of 23–25°C. This aligns with the market-implied 46.5% probability on 11°C or below, while probabilities clustered around 13–17°C reflect remaining uncertainty in exact minimums from hourly model runs. Historical September 17 lows average 13.5°C, with recent northerly flow and dew points in the low teens supporting the current trader consensus on a cooler-than-average night. Updated observations and final NHC-style verification will resolve the market.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert
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