**Current observational data and numerical weather prediction models from agencies like the China Meteorological Administration indicate a daily maximum temperature of 28°C in Qingdao on September 18, 2026.** Light southeasterly winds, partly cloudy skies, and moderate humidity have supported gradual daytime warming without significant cooling from cloud cover or precipitation. This aligns closely with mid-September climatology for the coastal Shandong region, where average highs reach 25–26°C, with recent model runs showing minimal deviation. Trader consensus at 99.8% implied probability reflects high confidence in station readings, though minor uncertainties remain around exact peak timing, localized urban heat effects, or final quality-controlled measurements that could shift the recorded maximum by 1°C.
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 September 18?
28°C 99.9%
21°C or below <1%
22°C <1%
23°C <1%
$22,955 Vol.
$22,955 Vol.
21°C or below
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
<1%
28°C
100%
29°C
<1%
30°C
<1%
31°C or higher
<1%
28°C 99.9%
21°C or below <1%
22°C <1%
23°C <1%
$22,955 Vol.
$22,955 Vol.
21°C or below
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
<1%
28°C
100%
29°C
<1%
30°C
<1%
31°C or higher
<1%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zsqd
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.
Market Opened: Sep 16, 2026, 12:58 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zsqdResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zsqd
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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zsqdResolver
0x69c47De9D...**Current observational data and numerical weather prediction models from agencies like the China Meteorological Administration indicate a daily maximum temperature of 28°C in Qingdao on September 18, 2026.** Light southeasterly winds, partly cloudy skies, and moderate humidity have supported gradual daytime warming without significant cooling from cloud cover or precipitation. This aligns closely with mid-September climatology for the coastal Shandong region, where average highs reach 25–26°C, with recent model runs showing minimal deviation. Trader consensus at 99.8% implied probability reflects high confidence in station readings, though minor uncertainties remain around exact peak timing, localized urban heat effects, or final quality-controlled measurements that could shift the recorded maximum by 1°C.
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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