Trader sentiment favors a 33–34°C high in Jakarta on May 18, as regional ensemble forecasts indicate stable tropical conditions with limited convective development and light easterly steering flow. Jakarta’s urban heat island, atop typical May transition-season climatology, reliably produces daytime maxima in this narrow band, consistent with historical surface observations showing average peaks near 32.5°C. Recent satellite-derived moisture profiles and boundary-layer data reveal no strong cooling signals from increased cloudiness or rainfall, keeping the two leading outcomes closely matched. Slight differences in model handling of local humidity could still shift the final reading, with official verification from Indonesia’s meteorological agency expected to resolve the market by evening.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Jakarta on May 18?
34°C 41%
33°C 31%
32°C 12%
35°C 7%
$13,594 Vol.
$13,594 Vol.
27°C or below
<1%
28°C
<1%
29°C
<1%
30°C
1%
31°C
4%
32°C
12%
33°C
31%
34°C
41%
35°C
7%
36°C
2%
37°C or higher
1%
34°C 41%
33°C 31%
32°C 12%
35°C 7%
$13,594 Vol.
$13,594 Vol.
27°C or below
<1%
28°C
<1%
29°C
<1%
30°C
1%
31°C
4%
32°C
12%
33°C
31%
34°C
41%
35°C
7%
36°C
2%
37°C or higher
1%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Halim Perdanakusuma Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/id/jakarta/WIHH.
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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Market Opened: May 16, 2026, 12:06 AM ET
Resolution Source
https://www.wunderground.com/history/daily/id/jakarta/WIHHThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Halim Perdanakusuma Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/id/jakarta/WIHH.
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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Resolution Source
https://www.wunderground.com/history/daily/id/jakarta/WIHHTrader sentiment favors a 33–34°C high in Jakarta on May 18, as regional ensemble forecasts indicate stable tropical conditions with limited convective development and light easterly steering flow. Jakarta’s urban heat island, atop typical May transition-season climatology, reliably produces daytime maxima in this narrow band, consistent with historical surface observations showing average peaks near 32.5°C. Recent satellite-derived moisture profiles and boundary-layer data reveal no strong cooling signals from increased cloudiness or rainfall, keeping the two leading outcomes closely matched. Slight differences in model handling of local humidity could still shift the final reading, with official verification from Indonesia’s meteorological agency expected to resolve the market by evening.
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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