Highest temperature in Shanghai on June 1?

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Market context

Shanghai's highest temperature on 1 June 2026 will be recorded at Pudong International Airport Station and resolved against historical weather data from Wunderground. Early June in Shanghai typically falls within the pre-monsoon transition period, with daily highs ranging between 28°C and 32°C depending on atmospheric conditions and rainfall patterns.

Historical records from Shanghai Pudong show considerable variation in early June temperatures across different years. Between 2015 and 2024, the highest temperatures on 1 June ranged from 26°C to 34°C, with most years clustering around 29–31°C. The 0% crowd probability suggests traders are pricing in an expectation that the market's resolution range sits below the actual recorded high—a positioning that warrants scrutiny against decade-long precedent showing regular excursions into the 32–34°C band during this calendar window.

Traders should monitor seasonal weather pattern forecasts released in late May 2026, particularly any alerts regarding early heat waves or subtropical high-pressure systems moving into eastern China. The East Asian summer monsoon's onset timing significantly influences Shanghai's temperature trajectory in early June; years with delayed monsoon arrival typically see elevated maxima. Real-time meteorological data from China's National Meteorological Centre, typically published by late May, will provide the most actionable signal for positioning ahead of the settlement window closing on 1 June at noon.

Methodology

This page reviews Highest temperature in Shanghai on June 1? 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 Sport Prediction — 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

Where can I trade this market with the lowest fees?

On Sport Prediction, 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.

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.

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, Sport Prediction triggers a quick verification flow that finishes in minutes.