Latest numerical weather prediction models from Environment Canada and global ensembles show Toronto’s July 9 high centered near 29–30 °C, with modest spread arising from variable cloud cover, possible afternoon showers, and moderating lake-breeze effects off Lake Ontario. These conditions keep the 30 °C and 29 °C brackets tightly matched in trader pricing while capping upside risk above 31 °C. Model consensus reflects typical mid-summer thermodynamics—warm advection ahead of a weak trough—but acknowledges forecast uncertainty typical 24–36 hours ahead, where small shifts in timing of moisture or wind direction can alter the daily maximum by 1–2 °C. Historical July normals near 26–27 °C provide context for why traders assign limited probability to extremes outside the 28–31 °C range.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoHighest temperature in Toronto on July 9?
29°C 31%
30°C 26%
28°C 13%
31°C 9%
26°C or below
2%
27°C
6%
28°C
13%
29°C
31%
30°C
26%
31°C
9%
32°C
5%
33°C
1%
34°C
<1%
35°C
<1%
36°C or higher
<1%
29°C 31%
30°C 26%
28°C 13%
31°C 9%
26°C or below
2%
27°C
6%
28°C
13%
29°C
31%
30°C
26%
31°C
9%
32°C
5%
33°C
1%
34°C
<1%
35°C
<1%
36°C or higher
<1%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Toronto Pearson Intl Airport Station, 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 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.
Mercato aperto: Jul 7, 2026, 10:02 PM ET
Fonte di risoluzione
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Toronto Pearson Intl Airport Station, 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 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.
Fonte di risoluzione
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Latest numerical weather prediction models from Environment Canada and global ensembles show Toronto’s July 9 high centered near 29–30 °C, with modest spread arising from variable cloud cover, possible afternoon showers, and moderating lake-breeze effects off Lake Ontario. These conditions keep the 30 °C and 29 °C brackets tightly matched in trader pricing while capping upside risk above 31 °C. Model consensus reflects typical mid-summer thermodynamics—warm advection ahead of a weak trough—but acknowledges forecast uncertainty typical 24–36 hours ahead, where small shifts in timing of moisture or wind direction can alter the daily maximum by 1–2 °C. Historical July normals near 26–27 °C provide context for why traders assign limited probability to extremes outside the 28–31 °C range.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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