Forecast models from sources including the National Environment Agency and international agencies indicate a peak temperature for Singapore on September 11 around 31–32°C under partly cloudy skies with scattered thunderstorms and southeasterly winds. These conditions align with typical September climatology near the equator, where afternoon convection often caps daytime maxima despite high humidity and heat indices exceeding 38°C. Recent observations show no anomalous warming or clear-sky persistence that would push readings to 33°C or above, supporting the market's emphasis on 32°C at 51.5% implied probability followed by 31°C. Updated model runs overnight could refine the exact daily maximum and shift trader positioning ahead of resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Singapore on September 11?
32°C 51%
31°C 33%
33°C 13%
30°C 5%
$14,780 Vol.
$14,780 Vol.
26°C or below
<1%
27°C
<1%
28°C
1%
29°C
1%
30°C
5%
31°C
33%
32°C
51%
33°C
13%
34°C
1%
35°C
1%
36°C or higher
<1%
32°C 51%
31°C 33%
33°C 13%
30°C 5%
$14,780 Vol.
$14,780 Vol.
26°C or below
<1%
27°C
<1%
28°C
1%
29°C
1%
30°C
5%
31°C
33%
32°C
51%
33°C
13%
34°C
1%
35°C
1%
36°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=wsss
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 9, 2026, 12:57 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=wsssResolver
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=wsss
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=wsssResolver
0x69c47De9D...Forecast models from sources including the National Environment Agency and international agencies indicate a peak temperature for Singapore on September 11 around 31–32°C under partly cloudy skies with scattered thunderstorms and southeasterly winds. These conditions align with typical September climatology near the equator, where afternoon convection often caps daytime maxima despite high humidity and heat indices exceeding 38°C. Recent observations show no anomalous warming or clear-sky persistence that would push readings to 33°C or above, supporting the market's emphasis on 32°C at 51.5% implied probability followed by 31°C. Updated model runs overnight could refine the exact daily maximum and shift trader positioning ahead of resolution.
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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