Highest temperature in Seoul on June 15?

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Market context

Seoul's highest temperature on 15 June 2026 will be measured at Incheon International Airport Station and settled against Wunderground historical data. The market currently shows 0% probability across all temperature bands, reflecting the distant settlement date and inherent uncertainty in seasonal forecasting. Traders are pricing conditional tokens on USDC via Polygon, with resolution tied to a single, verifiable data point from a standardised meteorological source.

Mid-June in Seoul typically falls within the early monsoon season, with historical highs clustering between 26–30°C. The Korea Meteorological Administration's seasonal outlooks and any emerging climate pattern signals—such as persistent high-pressure systems or tropical cyclone activity in the Western Pacific—will shape temperature expectations as June 2026 approaches. El Niño or La Niña conditions active in late 2025 and early 2026 could shift baseline temperatures, though such forecasts remain speculative beyond a six-month horizon. Traders should monitor KMA announcements and regional weather model consensus updates from January onwards, as these typically inform medium-range seasonal probabilities.

The 0% crowd pricing reflects rational discounting of extreme outcomes rather than genuine certainty. Historical extremes for Seoul in June reach into the mid-30s°C during heat waves, but such events remain statistically uncommon. As the settlement window approaches, liquidity and probability distributions will sharpen once deterministic weather patterns become observable. Until then, the market remains a long-duration play on seasonal norms versus tail-risk temperature scenarios.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Legit?, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Legit?, 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 Legit? 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.

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 Legit??

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

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.