Singapore’s highest temperature on September 18 will hinge on afternoon convective activity under prevailing southwest monsoon conditions, with localized thundery showers expected from late morning onward according to the Meteorological Service Singapore. Recent model guidance and station forecasts indicate daytime maxima near 32–33 °C, consistent with the month’s 31.6 °C climatological average but tempered by cloud cover and rainfall that can cap peak readings. Stronger insolation and lighter winds could push values to 33 °C or briefly higher if showers remain scattered, while earlier or more widespread convection would favor 32 °C. The tight market split between these two outcomes reflects uncertainty in the precise timing and coverage of storms, with official outlooks noting a chance of 34–35 °C only if conditions stay drier than currently projected.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in Singapore on September 18?
33°C 49%
32°C 38%
34°C 13%
31°C 3%
$10,466 Vol.
$10,466 Vol.
27°C or below
1%
28°C
<1%
29°C
1%
30°C
1%
31°C
3%
32°C
38%
33°C
49%
34°C
13%
35°C
1%
36°C
1%
37°C or higher
1%
33°C 49%
32°C 38%
34°C 13%
31°C 3%
$10,466 Vol.
$10,466 Vol.
27°C or below
1%
28°C
<1%
29°C
1%
30°C
1%
31°C
3%
32°C
38%
33°C
49%
34°C
13%
35°C
1%
36°C
1%
37°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.
Binuksan ang Market: Sep 16, 2026, 12:56 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...Singapore’s highest temperature on September 18 will hinge on afternoon convective activity under prevailing southwest monsoon conditions, with localized thundery showers expected from late morning onward according to the Meteorological Service Singapore. Recent model guidance and station forecasts indicate daytime maxima near 32–33 °C, consistent with the month’s 31.6 °C climatological average but tempered by cloud cover and rainfall that can cap peak readings. Stronger insolation and lighter winds could push values to 33 °C or briefly higher if showers remain scattered, while earlier or more widespread convection would favor 32 °C. The tight market split between these two outcomes reflects uncertainty in the precise timing and coverage of storms, with official outlooks noting a chance of 34–35 °C only if conditions stay drier than currently projected.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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