Highest temperature in Seoul on May 26?

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Market context

Seoul's weather on 26 May 2026 will be measured at Incheon International Airport Station, the official reference point for the city's meteorological records. Late May in Seoul typically sits within the late spring transition period, with daily highs ranging between 24–28°C, though anomalies occur regularly. The settlement mechanism relies on Wunderground's historical data feed from this station, requiring traders to verify the data source's refresh cadence and any potential reporting delays that might affect resolution timing before the 12:00 UTC cutoff.

Historical May temperature patterns in Seoul show considerable year-to-year variance. The past decade's records indicate maximum temperatures on 26 May have ranged from 19°C to 31°C, with clustering around 25–27°C in most years. This volatility reflects Seoul's susceptibility to both cool maritime air masses from the north and warm continental systems from the south during this transitional month. Traders evaluating the current 0% probability should cross-reference multi-year datasets from the Korea Meteorological Administration to establish baseline expectations before committing capital.

Programmatic traders monitoring this market should establish automated feeds from Wunderground's historical API to track real-time temperature readings as 26 May approaches. South Korea's weather patterns are influenced by the East Asian monsoon system's early-season positioning, making late-April atmospheric pressure indices and upper-level wind patterns useful leading indicators. Temperature forecasts from the KMA typically stabilise 7–10 days before the settlement date, offering a natural checkpoint for position adjustments. Conditional orders tied to forecast updates from major meteorological services would allow systematic exposure management without continuous manual monitoring.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Review UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Polymarket Review UK?

Zero. Polymarket Review UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Review UK triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.