Highest temperature in Shanghai on August 20?

Platform comparison

Market context

Shanghai's peak temperature on 20 August 2026 will be measured at Pudong International Airport Station and resolved against the Daily Observations table on Weather Underground, which captures granular hourly readings rather than the rounded summary figures displayed elsewhere on the platform. The settlement window closes at midday UTC on that date, meaning traders must account for the full diurnal cycle up to that point.

August in Shanghai typically sees daily highs between 32–35°C, with occasional spikes above 36°C during heat waves. Historical records show that whilst extreme temperatures above 40°C are rare in the city, they have occurred; the 2013 heat wave pushed readings to 40.6°C. The current crowd probability of 0% suggests no meaningful expectation of an outlier event, which aligns with seasonal norms but leaves substantial uncertainty around the precise range that will resolve. Comparable weather markets on this platform have shown that crowd estimates tend to cluster conservatively around historical medians, underweighting tail scenarios that emerge only once per decade.

Traders should monitor China Meteorological Administration forecasts and any El Niño or monsoon pattern updates released in the weeks preceding August 2026, as these drive seasonal temperature variance across the Yangtze River Delta region. The resolution methodology—prioritising the Daily Observations granular data over summary highs—matters for edge cases where hourly peaks might differ from the reported daily maximum by 0.5–1°C. Weather Underground's data feed from Pudong has been consistent, though traders should verify station continuity closer to the settlement date.

Methodology

Entertainment-specific comparison page for Highest temperature in Shanghai on August 20?. Polymarket's live quote (Polygon order book) shows the award probability. For awards markets, Polymarket usually has the deepest liquidity; Betfair runs comparable markets for Oscars/Emmys; Manifold for Eurovision.

Resolution & payout

Entertainment markets settle on official award ceremony or show end. Polymarket uses UMA Optimistic Oracle with a source URL to the official award website. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

Which entertainment markets are available?

Oscars / Academy Awards (Best Picture, Best Director, Best Actor/Actress), Eurovision Song Contest, Emmy Awards, Grammy Awards, Golden Globes, plus reality-TV outcomes (Bachelor, Survivor). Volume usually sits in the five- to six-figure range per market.

How accurate are award predictions?

Variable. Industry-predictable awards (Oscar Best Picture) have high market accuracy (Brier ~0.15). Reality-TV outcomes with small markets carry more noise. Eurovision is notorious for market upsets due to bloc voting.

What was the top Oscar 2025 market?

Best Picture, with ~$2.8M volume on Polymarket. "Anora" started as an underdog at ~8% and closed at ~62% before the ceremony — the biggest single Oscar market swing since 2019.

Who can trade Eurovision markets?

Polymarket is globally accessible but geo-blocked in select jurisdictions — traders there use broker frontends with a different geo footprint to reach the order book. Eurovision markets have strong European liquidity; German/Austrian/Swiss flow often drives consensus.

Is entertainment trading worth the effort?

Niche, but lucrative for experts. Award markets have fewer informed traders than political markets; combining industry expertise (film, music) with active research often surfaces mispricings. Volume cap: large bets move the market.