Highest temperature in Seoul on June 8?

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Market context

Seoul's early June weather patterns show considerable variability, with historical June 8th temperatures at Incheon International Airport ranging between 20–28°C depending on the year. The 0% crowd probability suggests traders are either uncertain about the specific temperature bands available or viewing this as a straightforward meteorological forecast with limited trading interest. Recent years have seen June 8th highs cluster around 23–26°C, though anomalously warm or cool systems can shift outcomes by several degrees within a single day.

The Korean Meteorological Administration's forecasts through early June will be the primary catalyst for market movement, particularly any updates issued within 48 hours of settlement. Tropical systems developing in the Western Pacific or shifts in the North Pacific high-pressure system can materially alter Seoul's temperature trajectory. Traders should monitor whether any early-season heat waves or cooler-than-normal patterns develop across East Asia in the days preceding June 8th, as these regional patterns typically propagate into the Korean peninsula with 3–5 day lead times.

Current atmospheric conditions and seasonal positioning matter substantially here. Early June sits at the transition between spring and summer in Seoul, with the onset of the East Asian monsoon season potentially suppressing temperatures if moisture-laden systems move in. Conversely, if high pressure dominates, temperatures could push toward the upper end of the historical range. Resolution depends entirely on Wunderground's recorded high at Incheon station, making actual observed conditions the sole determinant rather than forecast accuracy.

Methodology

This page reviews Highest temperature in Seoul on June 8? 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 Prediction Today — 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

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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.

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