Current numerical weather prediction ensembles show Shanghai's June 28 high most likely near 27–28 °C, with the tight spread between these outcomes reflecting modest differences in simulated cloud cover, boundary-layer mixing, and steering flow from the western Pacific subtropical high during the late Meiyu period. Official guidance from sources such as the China Meteorological Administration and global models (ECMWF, GFS) currently favors partly cloudy to overcast conditions that limit daytime heating while humidity remains elevated. Small revisions in forecast timing of any passing disturbances or changes in low-level wind direction could shift the peak by 1 °C, sustaining the close market split until the final 24–48 hours before resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in Shanghai on June 28?
28°C 39%
29°C 26%
27°C 21%
30°C 9.8%
$15,830 Vol.
$15,830 Vol.
23°C or below
<1%
24°C
<1%
25°C
1%
26°C
4%
27°C
21%
28°C
39%
29°C
26%
30°C
10%
31°C
1%
32°C
<1%
33°C or higher
<1%
28°C 39%
29°C 26%
27°C 21%
30°C 9.8%
$15,830 Vol.
$15,830 Vol.
23°C or below
<1%
24°C
<1%
25°C
1%
26°C
4%
27°C
21%
28°C
39%
29°C
26%
30°C
10%
31°C
1%
32°C
<1%
33°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 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.
Binuksan ang Market: Jun 26, 2026, 12:02 AM ET
Resolution Source
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.
Resolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...Current numerical weather prediction ensembles show Shanghai's June 28 high most likely near 27–28 °C, with the tight spread between these outcomes reflecting modest differences in simulated cloud cover, boundary-layer mixing, and steering flow from the western Pacific subtropical high during the late Meiyu period. Official guidance from sources such as the China Meteorological Administration and global models (ECMWF, GFS) currently favors partly cloudy to overcast conditions that limit daytime heating while humidity remains elevated. Small revisions in forecast timing of any passing disturbances or changes in low-level wind direction could shift the peak by 1 °C, sustaining the close market split until the final 24–48 hours before resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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