Highest temperature in Shanghai on July 2?

Platform comparison

Market context

Shanghai’s July climate is defined by intense heat and humidity, with daily highs typically peaking around 3 PM and often exceeding 35°C. On 2 July 2026, the Shanghai Pudong International Airport Station will record its highest temperature, which historical data suggests will fall between 30°C and 38°C. The current crowd-implied probability of 0% for a specific low-range outcome aligns with this reality, as temperatures in early July rarely dip below 28°C.

Historical records show that July 2025 reached 38°C at the same station, while average highs in July 2026 range from 26–31°C, frequently climbing to 32.5°C on the hottest days [1][8]. A trader approaching this market programmatically would filter Wunderground’s hourly data for ZSPD, cross-referencing with AccuWeather’s July 2026 forecast, which predicts highs between 80–93°F (26.7–33.9°C) [5]. The 0% probability likely reflects a mismatch between the market’s resolution threshold and the expected thermal range, not an absence of heat.

Key catalysts include the onset of the “plum rain” season, which can bring sudden showers but rarely suppresses peak temperatures below 30°C [1]. Traders should monitor real-time updates from Wunderground and the National Weather Service for ZSPD, particularly the 3 PM peak window [4]. Recent climate data confirms July remains Shanghai’s hottest month, with daytime temperatures consistently above 30°C and often breaching 35°C [6]. No weather announcements currently suggest a significant cooling anomaly for 2 July.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Shanghai on July 2? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Review UK, which mirrors 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

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.