Recent short-range forecasts from the Korea Meteorological Administration and global ensembles such as GFS and ECMWF indicate Seoul's June 18 daytime maximum will likely peak near 28–29°C, producing the market's tightest probabilities at those levels. Southerly flow and building humidity ahead of the East Asian monsoon are delivering warmth, yet increasing afternoon cloud cover and scattered showers introduce uncertainty that could trim the high by 1–2°C or allow brief clearing to push readings toward 30°C. Historical June baselines for central Seoul hover near 27°C, making current model consensus the dominant driver of trader positioning ahead of final observational data.
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 Seoul on June 18?
28°C 36%
29°C 30%
30°C 16.1%
27°C 10.4%
$70,851 Vol.
$70,851 Vol.
21°C or below
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
1%
26°C
4%
27°C
10%
28°C
36%
29°C
30%
30°C
16%
31°C or higher
4%
28°C 36%
29°C 30%
30°C 16.1%
27°C 10.4%
$70,851 Vol.
$70,851 Vol.
21°C or below
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
1%
26°C
4%
27°C
10%
28°C
36%
29°C
30%
30°C
16%
31°C or higher
4%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Incheon Intl Airport Station, available here: https://www.wunderground.com/history/daily/kr/incheon/RKSI.
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.
Binuksan ang Market: Jun 16, 2026, 12:05 AM ET
Resolution Source
https://www.wunderground.com/history/daily/kr/incheon/RKSIResolver
0x69c47De9D...The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Incheon Intl Airport Station, available here: https://www.wunderground.com/history/daily/kr/incheon/RKSI.
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/kr/incheon/RKSIResolver
0x69c47De9D...Recent short-range forecasts from the Korea Meteorological Administration and global ensembles such as GFS and ECMWF indicate Seoul's June 18 daytime maximum will likely peak near 28–29°C, producing the market's tightest probabilities at those levels. Southerly flow and building humidity ahead of the East Asian monsoon are delivering warmth, yet increasing afternoon cloud cover and scattered showers introduce uncertainty that could trim the high by 1–2°C or allow brief clearing to push readings toward 30°C. Historical June baselines for central Seoul hover near 27°C, making current model consensus the dominant driver of trader positioning ahead of final observational data.
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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