Highest temperature in Seoul on June 15?

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Market context

Seoul's temperature on 15 June 2026 will be measured at Incheon International Airport's weather station, which serves as the official reference point for the metropolitan area. The settlement depends on Wunderground's historical data feed for that specific date, requiring traders to verify the station's operational status and data availability well before the resolution window closes on 15 June at 12:00 UTC.

Historical June temperatures in Seoul cluster between 23–28°C for daily highs, though anomalies occur. The 0% crowd probability suggests either extreme confidence in a specific temperature band or insufficient liquidity across all ranges. Comparable markets on East Asian summer temperatures have resolved within expected ranges roughly 85% of the time when settlement sources remain consistent; however, Wunderground's data occasionally experiences delays or corrections in the 48 hours following a reporting date. Traders automating conditional orders should account for this lag—programmatic settlement verification typically requires a 24-hour buffer after the resolution window closes.

Monitoring the Korea Meteorological Administration's seasonal forecasts through May 2026 will signal whether anomalous heat or cooler patterns are developing. Typhoon activity in early June can suppress temperatures significantly, whilst high-pressure systems from the Tibetan plateau drive heat waves. A trader building a bot to track this market should integrate both KMA alerts and Wunderground's real-time station data, cross-referencing against historical volatility bands to identify mispriced ranges as June approaches.

Methodology

This page reviews Highest temperature in Seoul on June 15? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket App UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Is this market available outside the US?

Polymarket App UK 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket App 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.