Recent atmospheric patterns point to increasing cloud cover and precipitation chances from an early monsoon surge, with heavy rain expected across Seoul on June 19–20 according to Korea Meteorological Administration guidance. These conditions are likely to limit solar heating and cap daytime maxima near 25–27°C, aligning with market-implied odds clustered around those values. Ensemble forecasts show modest spread due to variable rain timing and intensity, while historical mid-June averages of 26–28°C provide context for the current cooler bias. Traders appear to weigh the balance between partial clearing that could allow brief warming versus persistent overcast that suppresses peaks, with upcoming model runs and official updates on June 19 serving as key resolution signals.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Seoul on June 20?
Highest temperature in Seoul on June 20?
24°C 100.0%
21°C or below <1%
22°C <1%
23°C <1%
$287,640 Vol.
$287,640 Vol.
Jun 20, 2026
21°C or below
No
22°C
No
23°C
No
24°C
Yes
25°C
No
26°C
No
27°C
No
28°C
No
29°C
No
30°C
No
31°C or higher
No
24°C 100.0%
21°C or below <1%
22°C <1%
23°C <1%
$287,640 Vol.
$287,640 Vol.
Jun 20, 2026
21°C or below
$20,612 Vol.
No
22°C
$49,118 Vol.
No
23°C
$65,823 Vol.
No
24°C
$34,365 Vol.
Yes
25°C
$15,648 Vol.
No
26°C
$9,431 Vol.
No
27°C
$15,516 Vol.
No
28°C
$18,725 Vol.
No
29°C
$19,323 Vol.
No
30°C
$24,569 Vol.
No
31°C or higher
$14,511 Vol.
No
This market will resolve to the temperature range that contains the highest temperature recorded at the Incheon Intl Airport Station in degrees Celsius on 20 Jun '26.
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.Recent atmospheric patterns point to increasing cloud cover and precipitation chances from an early monsoon surge, with heavy rain expected across Seoul on June 19–20 according to Korea Meteorological Administration guidance. These conditions are likely to limit solar heating and cap daytime maxima near 25–27°C, aligning with market-implied odds clustered around those values. Ensemble forecasts show modest spread due to variable rain timing and intensity, while historical mid-June averages of 26–28°C provide context for the current cooler bias. Traders appear to weigh the balance between partial clearing that could allow brief warming versus persistent overcast that suppresses peaks, with upcoming model runs and official updates on June 19 serving as key resolution signals.
This market will resolve to the temperature range that contains the highest temperature recorded at the Incheon Intl Airport Station in degrees Celsius on 20 Jun '26.
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.
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.
Market Opened: Jun 18, 2026, 12:03 AM ET
Volume
$287,640End Date
Jun 20, 2026Market Opened
Jun 18, 2026, 12:03 AM ETResolution Source
https://www.wunderground.com/history/daily/kr/incheon/RKSIResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
This market will resolve to the temperature range that contains the highest temperature recorded at the Incheon Intl Airport Station in degrees Celsius on 20 Jun '26.
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.Recent atmospheric patterns point to increasing cloud cover and precipitation chances from an early monsoon surge, with heavy rain expected across Seoul on June 19–20 according to Korea Meteorological Administration guidance. These conditions are likely to limit solar heating and cap daytime maxima near 25–27°C, aligning with market-implied odds clustered around those values. Ensemble forecasts show modest spread due to variable rain timing and intensity, while historical mid-June averages of 26–28°C provide context for the current cooler bias. Traders appear to weigh the balance between partial clearing that could allow brief warming versus persistent overcast that suppresses peaks, with upcoming model runs and official updates on June 19 serving as key resolution signals.
This market will resolve to the temperature range that contains the highest temperature recorded at the Incheon Intl Airport Station in degrees Celsius on 20 Jun '26.
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.
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.
Volume
$287,640End Date
Jun 20, 2026Market Opened
Jun 18, 2026, 12:03 AM ETResolution Source
https://www.wunderground.com/history/daily/kr/incheon/RKSIResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Recent atmospheric patterns point to increasing cloud cover and precipitation chances from an early monsoon surge, with heavy rain expected across Seoul on June 19–20 according to Korea Meteorological Administration guidance. These conditions are likely to limit solar heating and cap daytime maxima near 25–27°C, aligning with market-implied odds clustered around those values. Ensemble forecasts show modest spread due to variable rain timing and intensity, while historical mid-June averages of 26–28°C provide context for the current cooler bias. Traders appear to weigh the balance between partial clearing that could allow brief warming versus persistent overcast that suppresses peaks, with upcoming model runs and official updates on June 19 serving as key resolution signals.
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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