Highest temperature in Seoul on June 14?

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Market context

The Seoul metropolitan area will experience early summer conditions on 14 June 2026, with the settlement hinging on the single highest temperature recorded at Incheon International Airport's weather station throughout that calendar day. Polymarket currently prices this contract at 0% YES across all temperature bands, reflecting either extreme confidence in a floor outcome or thin liquidity in a niche weather derivative. The settlement mechanism ties directly to Wunderground's historical data archive for that specific station, making the resolution deterministic once the day passes—no discretion, no appeals, only the recorded figure in Celsius.

Seoul's June climate sits at the threshold between late spring and monsoon season, with historical highs typically ranging from 26°C to 30°C depending on weather patterns that year. The 0% pricing across all brackets suggests traders expect temperatures to fall below the lowest offered range, though this may also reflect minimal trading activity rather than genuine conviction. Comparable June days at Incheon have produced highs between 24°C and 32°C over recent decades, with occasional outliers during heat waves or unusual pressure systems.

Traders should monitor the Korean Meteorological Administration's 10-day forecasts as June approaches, particularly any alerts for early heat waves or tropical systems moving northward from the Pacific. The East Asian monsoon onset timing—typically mid-June—could suppress temperatures if moisture-laden systems arrive early. Real-time atmospheric pressure patterns and sea surface temperatures in the Yellow Sea will drive whether conditions favour anomalously warm or seasonally moderate outcomes on that specific date.

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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Scam?, 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.

Is this market available outside the US?

Polymarket Scam? is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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.

Do I need to KYC for this market?

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