Highest temperature in Shanghai on June 8?

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Market context

On 8 June 2026, Shanghai's highest temperature will be recorded at Pudong International Airport Station and fall into one of several discrete ranges. The market currently prices all outcomes at 0% YES, reflecting the standard Polymarket display before meaningful trading volume establishes a price curve. Settlement hinges on Wunderground's historical weather data for that specific station and date, with the resolution window closing at midday UTC on the settlement day itself.

Shanghai's June temperatures historically cluster between 28–32°C, with occasional peaks above 35°C during early summer heat waves. The city experiences a subtropical monsoon climate where late spring transitions into the rainy season; June typically brings higher humidity and variable conditions rather than sustained extreme heat. Comparable years show that temperatures exceeding 36°C in early June occur in roughly one-third of seasons, whilst readings below 26°C are rare. This historical distribution should anchor expectations about which temperature bands carry genuine probability mass.

The key variable affecting Shanghai's weather in early June 2026 will be the positioning of the East Asian subtropical high-pressure system and any active frontal systems moving eastward from the continent. Meteorological forecasts become reliable only within 10–14 days of the target date, meaning traders will have limited predictive advantage until late May. Any significant tropical cyclone activity in the Western Pacific during late May could suppress temperatures through cloud cover and rainfall, whilst a dominant high-pressure ridge would favour readings in the 32–36°C range. Current seasonal outlooks from China's meteorological authorities will provide the most actionable signals as June approaches.

Methodology

This page reviews Highest temperature in Shanghai 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 Polymarket 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

Where can I trade this market with the lowest fees?

On Polymarket UK, 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?

Polymarket 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'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 UK?

Zero. Polymarket 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.