Pronóstico: Highest temperature in Seoul (Incheon) on August 1?

Platform comparison

Market context

Seoul’s August heat is already running hot, and the Incheon airport reading is starting the month from a very warm base rather than a cool reset. Early-morning observations show Incheon at 26.8°C at 9 a.m. and 27.0°C at 5 a.m., while official forecasts on 1 August point to a daytime high around 34°C in Incheon and 36°C in Seoul, which keeps the market anchored well above the climate norm for the month.[1][4][13]

That matters because August in both Seoul and Incheon usually averages closer to the high 20s Celsius, not the mid-30s, so the crowd’s 0% YES sits against a day that already has extreme-heat conditions baked in.[3][7] Comparable recent readings also show how quickly Korea can move into record territory: on 31 July, Yangsan hit 41.4°C, the hottest temperature in the modern KMA record, and Reuters noted a third straight day above 40°C in parts of the country.[12] In a broader historical sense, late-summer heatwaves have repeatedly produced unusually high daily maxima, so a single hot afternoon is enough to shift this kind of market sharply.[6][10]

The main catalysts are the KMA short-range updates, cloud cover and rainfall timing, and whether the marine influence around Incheon caps the peak compared with inland Seoul.[11][13] Traders should watch for any morning revision to the forecast, since the latest official guidance already implies a very warm day, and the market settles on the highest temperature recorded at Incheon Intl Airport Station during the full calendar day, not the early readings.[1][11][13]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Pronóstico: Highest temperature in Seoul (Incheon) on August 1?. 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).

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