Highest temperature in Seoul on June 2?

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Market context

Seoul's early June weather sits at the threshold between spring and summer, with atmospheric conditions highly sensitive to the East Asian monsoon system's timing and intensity. The Incheon International Airport station, which serves as the official measurement point, typically records daily highs between 24–28°C in early June, though anomalous warm air masses from the south can push readings into the low 30s. The 0% crowd probability suggests traders are either awaiting resolution data or have not yet engaged with the market's specificity around the measurement station and settlement source.

Historical June temperature records for the Seoul metropolitan area show considerable year-to-year variance. Between 2015 and 2024, early June highs at Incheon ranged from 21°C during cooler, wetter years to 31°C when subtropical air dominated. The current probability distribution reflects uncertainty about which temperature bracket will capture the daily maximum, with no single outcome commanding confidence among participants. Comparable weather prediction markets on crypto platforms typically see late-stage probability shifts once meteorological forecasts narrow within 72 hours of the settlement date.

Traders should monitor the Korea Meteorological Administration's extended outlook and real-time synoptic charts as June approaches. Subtropical high-pressure systems tracking northward, or conversely, early monsoon moisture surges, represent the primary catalysts that would shift market probabilities materially. Wunderground's historical data feed updates daily, allowing settlement verification once 2 June concludes; the USDC settlement mechanism on btc-prediction.bet will execute against whichever temperature range Wunderground confirms for that calendar day.

Methodology

This page reads Highest temperature in Seoul on June 2? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?

On BTC Prediction, 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?

BTC Prediction 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 does it cost to trade on BTC Prediction?

Zero. BTC Prediction 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.

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.