Highest temperature in Seoul on June 24?

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Market context

Seoul’s June 24, 2026, high temperature hinges on whether the North Pacific high-pressure system intensifies to push daily peaks beyond 35°C, a threshold rarely breached in mid-June but increasingly common as regional heat records climb. The crowd-implied probability of 0% YES suggests the market expects temperatures to stay within the lower range, yet historical data shows Seoul’s daily highs in June typically range from 77°F to 81°F (25°C–27°C), rarely exceeding 87°F (31°C) [1][4]. Notably, South Korea’s all-time heat record of 41.0°C was set in Hongcheon, not Seoul, but the capital recently shattered its own record with 39 consecutive tropical nights, indicating a warming trend that could make contrarian bets on higher temperatures value spots [2][6].

Traders should monitor the National Meteorological Service’s daily forecasts for June 24, particularly any announcements about the high-pressure system’s trajectory, as sudden shifts could trigger rapid temperature spikes. Recent reports from The Straits Times highlight that Seoul experienced its highest average summer temperature on record, with overnight lows staying above 24°C for 39 days, suggesting persistent heat that could elevate June 24’s peak [6]. While Wunderground’s official resolution source will confirm the exact temperature at Incheon Intl Airport Station, the broader trend of record-breaking heat in South Korea implies the consensus may be underestimating the risk of a higher-than-expected reading, making contrarian positions potentially valuable if the high-pressure system holds [2][7].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Seoul on June 24? 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 Who Will Win 2026 — 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.

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FAQ

Where can I trade this market with the lowest fees?

On Who Will Win 2026, 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.

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.

How fast are USDC deposits?

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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.