**Trader consensus heavily favors a 22°C minimum in Shanghai on September 21, driven by consistent official forecasts from Chinese meteorological services and global models projecting overnight lows near that threshold under partly cloudy skies with northerly flow.** Current surface observations show mild conditions with highs in the upper 20s°C and dew points supporting limited radiational cooling, while ensemble guidance indicates stable steering patterns that suppress stronger cold advection. Historical September climatology for the region places typical minima around 20–24°C, aligning with the implied probability exceeding 90%. A realistic shift could occur if unexpected cloud persistence or a model bias in boundary-layer mixing allows the temperature to dip to 20–21°C, though significant deviation below 20°C remains improbable absent a rapid synoptic change.
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. · AggiornatoLa temperatura più bassa a Shanghai il 21 settembre?
22°C 93%
20°C 11%
21°C 10%
17°C o inferiore <1%
17°C o inferiore
<1%
18°C
<1%
19°C
<1%
20°C
11%
21°C
7%
22°C
93%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C o superiore
<1%
22°C 93%
20°C 11%
21°C 10%
17°C o inferiore <1%
17°C o inferiore
<1%
18°C
<1%
19°C
<1%
20°C
11%
21°C
7%
22°C
93%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C o superiore
<1%
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zspd
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.
Mercato aperto: Sep 19, 2026, 12:30 AM ET
Fonte di risoluzione
https://www.weather.gov/wrh/timeseries?site=zspdRisolutore
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zspd
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.
Fonte di risoluzione
https://www.weather.gov/wrh/timeseries?site=zspdRisolutore
0x69c47De9D...**Trader consensus heavily favors a 22°C minimum in Shanghai on September 21, driven by consistent official forecasts from Chinese meteorological services and global models projecting overnight lows near that threshold under partly cloudy skies with northerly flow.** Current surface observations show mild conditions with highs in the upper 20s°C and dew points supporting limited radiational cooling, while ensemble guidance indicates stable steering patterns that suppress stronger cold advection. Historical September climatology for the region places typical minima around 20–24°C, aligning with the implied probability exceeding 90%. A realistic shift could occur if unexpected cloud persistence or a model bias in boundary-layer mixing allows the temperature to dip to 20–21°C, though significant deviation below 20°C remains improbable absent a rapid synoptic change.
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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