Highest temperature in Shanghai on August 19?

Platform comparison

Market context

Shanghai's highest temperature on 19 August 2026 will be measured at Pudong International Airport Station and resolved against the Daily Observations table on Weather Underground. The market currently reflects zero probability across all temperature ranges, suggesting either insufficient trader participation or expectation of extreme heat that exceeds available brackets.

August represents Shanghai's hottest month climatologically, with daily highs typically ranging between 32–35°C. Historical data from the past decade shows that mid-August temperatures in Shanghai have occasionally exceeded 37°C during heat waves, though readings above 40°C remain rare. The 2013 heat wave pushed temperatures to 40.6°C, and more recently, August 2022 saw sustained highs in the 35–38°C band. These precedents indicate that moderate-to-high temperature ranges should carry meaningful probability weight rather than zero, particularly given that the settlement window captures peak summer conditions.

Traders should monitor weather forecasts released in the week preceding 19 August 2026, as tropical systems or high-pressure systems over eastern China will materially shift expected temperatures. The China Meteorological Administration typically issues 10-day outlooks that provide directional guidance on whether heat-dome conditions or monsoon influence will dominate. Additionally, any typhoon activity in the Western Pacific could suppress temperatures through cloud cover and precipitation, whilst stalled anticyclones would drive readings toward historical highs. The resolution source's reliance on the Pudong station's Daily Observations table—rather than summary figures—means traders should verify which measurement intervals Weather Underground uses for its highest-temperature records.

Methodology

Sports-specific comparison page for Highest temperature in Shanghai on August 19?. 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.

UK Frequently Asked Questions

When do sports markets resolve?

Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.

Can I bet on individual matches?

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Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

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