Highest temperature in Hong Kong on August 4?

Platform comparison

Market context

Hong Kong’s afternoon heat on 4 August will be set by whether the day stays close to the Hong Kong Observatory’s summer baseline or tips into a sharper hot spell. The market resolves to the Observatory’s “Absolute Daily Max” for that date, so the relevant question is the single highest reading anywhere in Hong Kong, not the forecast at the Tsim Sha Tsui headquarters alone.

Comparable August readings show that a 29–30°C high is common enough to anchor pricing, while genuine heatwave days can move well beyond that. Recent market data already points to 30°C as the leading outcome at 40%, with 29°C next at 34%, which implies traders see a modestly warm but not extreme day as the base case.[2] Hong Kong has also recently logged hotter spells, with local reports describing this year’s hottest days reaching the mid-30s at some stations and exceeding 35°C in the New Territories, which is a reminder that inland maxima can diverge sharply from central-city readings.[4][10]

The main catalysts are the Observatory’s short-range forecast updates, any changes to shower coverage or cloud in the regional readings, and whether inland districts such as Yuen Long, Sha Tin, or Sheung Shui heat up more quickly than the urban core.[3][7] If morning rain clears early and winds stay light, the upper end of the range becomes more credible; if showers persist into the afternoon, 29°C or below becomes more likely. The market cannot settle until the final Daily Extract is published by the Hong Kong Observatory, so any intraday spike matters only if it is recorded in the official data.[7][15]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in Hong Kong 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 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

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.

What are live sports odds on Polymarket?

Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.

What's the difference between match odds and outright odds?

Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.