Highest temperature in Shanghai on August 6?

Platform comparison

Market context

Shanghai’s airport reading for 6 August sits in the middle of a hot, humid August pattern rather than an extreme outlier. Monthly guides and forecasts put Shanghai’s August daytime highs roughly in the low 30s °C, with AccuWeather showing 6 August 2026 near 31°C/88°F and several other sources clustering the month around 30-32°C at the day’s peak.[1][3][5][9][16]

That framing makes the current 0% YES price look like a market that is underweighting how often Shanghai can briefly spike above forecast highs if sunshine is stronger than expected or afternoon convection is delayed. The settlement source is Shanghai Pudong International Airport on Wunderground, so traders should care more about the airport’s actual observed maximum than citywide forecast averages or readings from Hongqiao, which is a separate station and can differ materially.[4][11] For context, Wunderground-style historical pages and current station observations for Shanghai have recently shown summer temperatures in the high 20s to mid-30s °C, consistent with a broad range of plausible outcomes around the forecast centre.[4][13]

The main catalysts are the day-of forecast updates and any change in cloud cover, rainfall timing or wind direction that could cap the afternoon high before the 12:00 UTC settlement window closes. Current forecast pages already point to a hot day with some rain risk, and even small shifts in timing can decide whether the station tops out in the high 20s, low 30s or a bit above that band.[2][13] Traders should watch the latest airport-specific observation, not just the city forecast, because the market resolves on the recorded maximum at Pudong rather than a broader Shanghai average.[4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in Shanghai on August 6?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

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How fast do sports winnings settle?

Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.