Highest temperature in Seoul (Incheon) on August 2?

Platform comparison

Market context

Seoul’s early-August heat backdrop is firmly summer-biased, but the market settles on the **highest temperature at Incheon International Airport**, not the citywide average. Climate normals for Seoul in August cluster around the high 20s to low 30s Celsius, with average highs near 30°C and a well-established record of extreme heat in the high 30s, including a city record of 39.6°C in August 2018.[1][3][6][16] That means a 0% YES price is only rational if traders think the airport station is unlikely to print anything close to the upper end of its historical range on the day.

The useful historical frame is that August in Seoul is the hottest month on average, yet the daily high usually sits in the low-to-mid 30s and can be knocked back by cloud, rain, or monsoon spillover.[2][3][9][16] AccuWeather’s August 2026 outlook for Seoul shows highs mostly between 81°F and 88°F, or roughly 27°C to 31°C, which implies a standard summer day rather than a heat spike, though that forecast is for the city broadly rather than the exact airport station used for settlement.[8] For comparison, WeatherSpark’s August averages show daily highs declining only slightly through the month, with the hottest average high around early August and rare excursions above 91°F, or about 33°C.[2]

The main catalysts are the near-term weather pattern over north-western South Korea and whether the Korean Meteorological Administration issues any heatwave or heavy-rain advisories that would materially alter the day’s maximum. In practice, overnight and morning cloud cover, thunderstorm timing, and sea-breeze effects around Incheon can cap the daytime peak, while a clear, dry northerly flow would favour a higher print. Traders should watch the station-specific hourly observation feed through the day, because the settlement depends on the single highest reading recorded at Incheon International Airport Station rather than the regional average.[17]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Highest temperature in Seoul (Incheon) on August 2?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

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