**Short-range ensemble forecasts from models such as the ECMWF and GFS currently cluster Shanghai’s June 17 maximum near 28–29°C, producing the near-even market split between those two bins.** Cloud cover and scattered showers associated with the advancing Meiyu frontal zone are limiting daytime heating, while Shanghai’s urban heat island effect and light southerly flow add modest warmth. Slight differences in predicted cloud timing and boundary-layer moisture account for the tight probability distribution across 27–31°C outcomes. Traders are monitoring the next China Meteorological Administration and NCEP model runs for any shift in the 24–48-hour window, as even modest changes in precipitation timing can move the official maximum by 1–2°C before resolution.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · AktualisiertHighest temperature in Shanghai on June 17?
28°C 30%
29°C 30%
30°C 15.0%
27°C 12%
23°C or below
<1%
24°C
1%
25°C
1%
26°C
2%
27°C
12%
28°C
30%
29°C
30%
30°C
15%
31°C
5%
32°C
3%
33°C or higher
3%
28°C 30%
29°C 30%
30°C 15.0%
27°C 12%
23°C or below
<1%
24°C
1%
25°C
1%
26°C
2%
27°C
12%
28°C
30%
29°C
30%
30°C
15%
31°C
5%
32°C
3%
33°C or higher
3%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Shanghai Pudong International Airport Station, available here: https://www.wunderground.com/history/daily/cn/shanghai/ZSPD.
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.
Markt eröffnet: Jun 15, 2026, 12:04 AM ET
Abwicklungsquelle
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
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 Shanghai Pudong International Airport Station, available here: https://www.wunderground.com/history/daily/cn/shanghai/ZSPD.
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.
Abwicklungsquelle
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...**Short-range ensemble forecasts from models such as the ECMWF and GFS currently cluster Shanghai’s June 17 maximum near 28–29°C, producing the near-even market split between those two bins.** Cloud cover and scattered showers associated with the advancing Meiyu frontal zone are limiting daytime heating, while Shanghai’s urban heat island effect and light southerly flow add modest warmth. Slight differences in predicted cloud timing and boundary-layer moisture account for the tight probability distribution across 27–31°C outcomes. Traders are monitoring the next China Meteorological Administration and NCEP model runs for any shift in the 24–48-hour window, as even modest changes in precipitation timing can move the official maximum by 1–2°C before resolution.
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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