Recent short-range forecasts from multiple models indicate a daily maximum near 31–32°C for Singapore on September 11, with partly cloudy skies, southeasterly winds, and a 40–80% chance of afternoon thundery showers that could cap peak heating. These conditions align with the September climatological average high of 31.6°C while El Niño-driven regional warmth provides a modest upward bias. The market’s heavy weighting toward 31–32°C reflects this consensus, tempered by typical model spread and the moderating effect of increased moisture and cloud cover expected that day. Updated guidance from the Meteorological Service Singapore and refined model runs ahead of the date remain the key variables that could shift implied probabilities.
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 48%
31°C 34%
33°C 13%
30°C 9%
26°C or below
<1%
27°C
1%
28°C
3%
29°C
4%
30°C
9%
31°C
34%
32°C
48%
33°C
13%
34°C
1%
35°C
1%
36°C or higher
<1%
32°C 48%
31°C 34%
33°C 13%
30°C 9%
26°C or below
<1%
27°C
1%
28°C
3%
29°C
4%
30°C
9%
31°C
34%
32°C
48%
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...Recent short-range forecasts from multiple models indicate a daily maximum near 31–32°C for Singapore on September 11, with partly cloudy skies, southeasterly winds, and a 40–80% chance of afternoon thundery showers that could cap peak heating. These conditions align with the September climatological average high of 31.6°C while El Niño-driven regional warmth provides a modest upward bias. The market’s heavy weighting toward 31–32°C reflects this consensus, tempered by typical model spread and the moderating effect of increased moisture and cloud cover expected that day. Updated guidance from the Meteorological Service Singapore and refined model runs ahead of the date remain the key variables that could shift implied probabilities.
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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