Highest temperature in Seoul on May 26?

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Active sub-markets

Market context

Seoul's weather on 26 May 2026 will be measured at Incheon International Airport, the primary meteorological station for the metropolitan area. Late May sits in Seoul's late spring period, typically characterised by warming temperatures as the region transitions toward summer monsoon season. Historical records show daily highs in late May average between 24–27°C, though outlier days can reach 30°C or exceed it during heat waves.

The 0% crowd probability reflects genuine uncertainty rather than confidence in any particular temperature band. May weather in South Korea remains volatile; the transition from spring to early summer creates variable conditions driven by competing air masses and occasional early heat events. Comparable years show significant year-to-year variance—some late-May days record highs near 20°C under cloud cover and rain, whilst others breach 32°C during anticyclonic pressure systems. The settlement window closes at midday UTC on 26 May, meaning traders must commit capital before final temperatures are recorded, introducing timing friction for late-day market moves.

Traders should monitor Korean Meteorological Administration forecasts released in the weeks preceding the date, particularly any alerts for early-season heat waves or unusual pressure patterns. Deposit and withdrawal infrastructure matters here: traders using SEPA transfers or Klarna's payment rails should account for settlement delays when positioning, as temperature confirmation via Wunderground's historical data typically finalises within hours of market close. Book depth will depend on how accessible funding becomes as the date approaches—early capital constraints often suppress trading volume on weather markets with narrow resolution windows.

Methodology

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

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Is this market available outside the US?

Polymarket Klarna 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.

What does it cost to trade on Polymarket Klarna UK?

Zero. Polymarket Klarna UK 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.

Do I need to KYC for this market?

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