Highest temperature in Seoul (Incheon) on August 15?

Platform comparison

Market context

Seoul's temperature on 15 August 2026 will be recorded at Incheon International Airport Station and resolved against specific bins in the Wunderground Daily Observations table. The distinction between the Daily Observations granular readings and the Day High & Low summary section matters operationally: automated resolution will pull from the former, making data-source verification essential for traders building conditional orders or bot logic around this market.

August in Seoul typically sees daily highs between 28–32°C, with occasional peaks above 33°C during heat waves. The 0% crowd probability suggests the market is currently pricing in either an exceptionally cool August day or reflects sparse liquidity rather than genuine forecasting consensus. Historical August records at Incheon show temperatures reaching 34–35°C in roughly one-third of years; comparing this market's bin structure against climatological percentiles will help traders calibrate whether the current odds reflect genuine tail-risk pricing or simply thin order books. A trader integrating this into a portfolio of Korean weather markets would want to cross-reference Incheon's readings against Seoul metropolitan stations to understand typical variance.

The Korea Meteorological Administration publishes extended forecasts monthly; their mid-July 2026 update will be the first actionable signal for seasonal temperature trends. Traders should monitor whether El Niño or La Niña conditions are active in the Pacific, as these influence East Asian summer temperatures substantially. Setting up automated alerts on Wunderground's historical data feed—rather than relying on the web interface—allows systematic tracking of August 2026 conditions as the date approaches, enabling real-time position adjustments based on observed weather patterns.

Methodology

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

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.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.