Latest forecasts from global and regional models, aligned with Meteorological Service Singapore guidance, position the July 18 daily maximum near 32°C as the modal outcome, with trader probabilities clustered around 31–33°C reflecting uncertainty in afternoon convection timing. Southwest monsoon flow favors scattered thundery showers that can limit peak solar heating, though breaks in cloud cover or reduced rainfall could push readings to 33°C or briefly higher. Above-normal July temperatures tied to emerging El Niño influences provide a warm baseline, consistent with recent station highs near 32.7°C, while typical July climatology centers on 31–32°C maxima. Updated model runs and official nowcasts over the next 48 hours will refine the precise threshold before 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 July 18?
32°C 100.0%
24°C or below <1%
25°C <1%
26°C <1%
$81,442 Vol.
$81,442 Vol.
24°C or below
No
25°C
No
26°C
No
27°C
No
28°C
No
29°C
No
30°C
No
31°C
No
32°C
Yes
33°C
No
34°C or higher
No
32°C 100.0%
24°C or below <1%
25°C <1%
26°C <1%
$81,442 Vol.
$81,442 Vol.
24°C or below
No
25°C
No
26°C
No
27°C
No
28°C
No
29°C
No
30°C
No
31°C
No
32°C
Yes
33°C
No
34°C or higher
No
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Singapore Changi Airport Station, available here: https://www.wunderground.com/history/daily/sg/singapore/WSSS.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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: Jul 16, 2026, 12:04 AM ET
Resolution Source
https://www.wunderground.com/history/daily/sg/singapore/WSSSResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Singapore Changi Airport Station, available here: https://www.wunderground.com/history/daily/sg/singapore/WSSS.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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.wunderground.com/history/daily/sg/singapore/WSSSResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Latest forecasts from global and regional models, aligned with Meteorological Service Singapore guidance, position the July 18 daily maximum near 32°C as the modal outcome, with trader probabilities clustered around 31–33°C reflecting uncertainty in afternoon convection timing. Southwest monsoon flow favors scattered thundery showers that can limit peak solar heating, though breaks in cloud cover or reduced rainfall could push readings to 33°C or briefly higher. Above-normal July temperatures tied to emerging El Niño influences provide a warm baseline, consistent with recent station highs near 32.7°C, while typical July climatology centers on 31–32°C maxima. Updated model runs and official nowcasts over the next 48 hours will refine the precise threshold before 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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