Highest temperature in Shanghai on June 19?

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Market context

Shanghai Pudong International Airport’s peak temperature on 19 June 2026 will be driven by the afternoon warm-up at the station used for settlement, with the market resolving to the day’s highest recorded Celsius reading on Wunderground rather than any citywide average. June at Pudong is normally a warm month: WeatherSpark shows average daily highs rising to about 83°F in late June, with rare excursions above 92°F, while airport climate guides note that Shanghai summers can push beyond 30°C and, in the hottest spells, towards 35°C.[2][3]

The current 0% YES pricing is easiest to read as a regime call: either the market is assuming the day will not clear a high-end threshold, or liquidity has simply not yet repriced around the settlement source. For a programmatic workflow, the useful inputs are the station-specific forecast at ZSPD, live airport observations, and the Wunderground daily history page once the date closes; the point is to track the maximum reported temperature, not the forecast headline. Power users typically automate this with a weather feed, a settlement scraper, and alerts around noon UTC when the window ends, then check whether the observed maximum has already been printed or whether later local-afternoon readings can still move the outcome.[4]

For catalysts, the main variables are synoptic: cloud cover, sea-breeze penetration, rainfall, and thunderstorm timing, all of which can cap the daytime high even in a humid Shanghai summer. BBC Weather’s current airport-area forecast shows thundery showers, light rain, and a gentle breeze at nearby Hongqiao, which is the sort of pattern that often limits inland warming and makes the exact station reading more sensitive to short-lived breaks in cloud than to the citywide weather impression.[1]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Shanghai on June 19? 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 Polymarket Review UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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.

FAQ

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.

What does it cost to trade on Polymarket Review UK?

Zero. Polymarket Review 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 Review UK triggers a quick verification flow that finishes in minutes.