Recent forecasts from the China Meteorological Administration and ECMWF models show a daily maximum near 23°C for Qingdao on May 17, driven by moderate southerly flow under a weak high-pressure ridge and mostly clear skies that allow limited daytime heating along the Yellow Sea coast. This aligns with mid-May climatology, where coastal stations typically record highs between 18°C and 23°C due to marine influence moderating warmer continental air. The 99.8% market-implied probability for exactly 23°C reflects tight agreement across numerical weather prediction runs with no stronger warming signals or frontal passages expected. A shift in steering winds or increased cloud cover could cap the high slightly lower, while unexpected subsidence would be required to push readings above the threshold.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Qingdao on May 17?
23°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$27,542 Vol.
$27,542 Vol.
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
100%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°C or higher
<1%
23°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$27,542 Vol.
$27,542 Vol.
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
100%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°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 by the Forecast for the Qingdao Jiaodong International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/qingdao/ZSQD.
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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Market Opened: May 15, 2026, 12:06 AM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/qingdao/ZSQDThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Qingdao Jiaodong International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/qingdao/ZSQD.
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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Resolution Source
https://www.wunderground.com/history/daily/cn/qingdao/ZSQDRecent forecasts from the China Meteorological Administration and ECMWF models show a daily maximum near 23°C for Qingdao on May 17, driven by moderate southerly flow under a weak high-pressure ridge and mostly clear skies that allow limited daytime heating along the Yellow Sea coast. This aligns with mid-May climatology, where coastal stations typically record highs between 18°C and 23°C due to marine influence moderating warmer continental air. The 99.8% market-implied probability for exactly 23°C reflects tight agreement across numerical weather prediction runs with no stronger warming signals or frontal passages expected. A shift in steering winds or increased cloud cover could cap the high slightly lower, while unexpected subsidence would be required to push readings above the threshold.
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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