Latest forecasts from Indonesia’s BMKG point to a daily maximum of 33–34 °C in Jakarta on May 18, placing these two outcomes in a near-tie within the market. Mid-May climatology shows typical highs clustered between 32 °C and 35 °C under the influence of the early dry-season transition, with an urban heat-island effect often adding 1–2 °C above regional averages. Ensemble model guidance currently favors partly cloudy conditions with light sea-breeze moderation and low convective rainfall risk, keeping the peak near the upper end of the historical distribution. Any late-model shift toward increased cloud cover or isolated showers could cap temperatures at 33 °C, while clearer skies would favor 34 °C; resolution hinges on the official Halim Perdanakusuma station reading.
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?
Highest temperature in Jakarta on May 18?
33°C 29%
34°C 29%
32°C 15%
31°C 10%
NEW
NEW
May 18, 2026
27°C or below
<1%
28°C
<1%
29°C
<1%
30°C
2%
31°C
10%
32°C
15%
33°C
29%
34°C
29%
35°C
9%
36°C
3%
37°C or higher
2%
33°C 29%
34°C 29%
32°C 15%
31°C 10%
NEW
NEW
May 18, 2026
27°C or below
$507 Vol.
<1%
28°C
$255 Vol.
<1%
29°C
$228 Vol.
<1%
30°C
$98 Vol.
2%
31°C
$374 Vol.
10%
32°C
$604 Vol.
15%
33°C
$0 Vol.
29%
34°C
$168 Vol.
29%
35°C
$932 Vol.
9%
36°C
$30 Vol.
3%
37°C or higher
$574 Vol.
2%
This market will resolve to the temperature range that contains the highest temperature recorded at the Halim Perdanakusuma Intl Airport Station in degrees Celsius on 18 May '26.
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.Latest forecasts from Indonesia’s BMKG point to a daily maximum of 33–34 °C in Jakarta on May 18, placing these two outcomes in a near-tie within the market. Mid-May climatology shows typical highs clustered between 32 °C and 35 °C under the influence of the early dry-season transition, with an urban heat-island effect often adding 1–2 °C above regional averages. Ensemble model guidance currently favors partly cloudy conditions with light sea-breeze moderation and low convective rainfall risk, keeping the peak near the upper end of the historical distribution. Any late-model shift toward increased cloud cover or isolated showers could cap temperatures at 33 °C, while clearer skies would favor 34 °C; resolution hinges on the official Halim Perdanakusuma station reading.
This market will resolve to the temperature range that contains the highest temperature recorded at the Halim Perdanakusuma Intl Airport Station in degrees Celsius on 18 May '26.
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.
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
Volume
$3,770End Date
May 18, 2026Market Opened
May 16, 2026, 12:06 AM ETResolution Source
https://www.wunderground.com/history/daily/id/jakarta/WIHHThis market will resolve to the temperature range that contains the highest temperature recorded at the Halim Perdanakusuma Intl Airport Station in degrees Celsius on 18 May '26.
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.Latest forecasts from Indonesia’s BMKG point to a daily maximum of 33–34 °C in Jakarta on May 18, placing these two outcomes in a near-tie within the market. Mid-May climatology shows typical highs clustered between 32 °C and 35 °C under the influence of the early dry-season transition, with an urban heat-island effect often adding 1–2 °C above regional averages. Ensemble model guidance currently favors partly cloudy conditions with light sea-breeze moderation and low convective rainfall risk, keeping the peak near the upper end of the historical distribution. Any late-model shift toward increased cloud cover or isolated showers could cap temperatures at 33 °C, while clearer skies would favor 34 °C; resolution hinges on the official Halim Perdanakusuma station reading.
This market will resolve to the temperature range that contains the highest temperature recorded at the Halim Perdanakusuma Intl Airport Station in degrees Celsius on 18 May '26.
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.
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.
Volume
$3,770End Date
May 18, 2026Market Opened
May 16, 2026, 12:06 AM ETResolution Source
https://www.wunderground.com/history/daily/id/jakarta/WIHHLatest forecasts from Indonesia’s BMKG point to a daily maximum of 33–34 °C in Jakarta on May 18, placing these two outcomes in a near-tie within the market. Mid-May climatology shows typical highs clustered between 32 °C and 35 °C under the influence of the early dry-season transition, with an urban heat-island effect often adding 1–2 °C above regional averages. Ensemble model guidance currently favors partly cloudy conditions with light sea-breeze moderation and low convective rainfall risk, keeping the peak near the upper end of the historical distribution. Any late-model shift toward increased cloud cover or isolated showers could cap temperatures at 33 °C, while clearer skies would favor 34 °C; resolution hinges on the official Halim Perdanakusuma station reading.
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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