Highest temperature in Beijing on August 4?

Platform comparison

Market context

Beijing’s peak temperature is likely to land in the low-to-mid 30s Celsius, with current forecast packages clustering around 31-36°C and the day split between hot, humid conditions and a meaningful chance of rain. Rambler’s hourly profile shows 25-29°C through the day, while TravelChinaGuide puts the 4 August high at 31.5°C and EaseWeather at 36°C, which frames the market around a fairly wide but still summer-biased band rather than an extreme outcome.[1][3][4]

A 0% YES price is hard to square with the seasonal backdrop unless traders are assuming a materially cooler, rain-driven session than the headline forecasts imply. August in Beijing is typically hot and wet, with long-run guides pointing to average highs around 30-32°C, frequent showers, and humidity that can distort the feels-like number without necessarily capping the actual maximum.[2][6][10][16] On that basis, the more relevant comparison is whether cloud cover and thunderstorms shave the airport reading below the upper-30s models, not whether the day stays meaningfully cool.[3][15]

The key catalyst is the final airport observation sequence on the Wunderground history page, because the market resolves to the highest temperature recorded there on the day, not a citywide average or forecast high.[1] Traders should watch late-morning and afternoon precipitation timing, any model drift in the hours before the settlement window closes at 12:00 UTC, and whether airport-specific conditions diverge from downtown forecasts; BBC and Met Office observations currently show warm, humid Beijing conditions, which supports the broader hot-day setup even if local shower timing remains the swing factor.[8][12]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Highest temperature in Beijing on August 4?. 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 (US-focused) or Manifold (play-money).

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

Are prediction markets better than sports betting?

Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.

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?

Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.

Which sports markets are available?

Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.

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.