Highest temperature in Hong Kong on July 25?

Platform comparison

Market context

Hong Kong’s highest temperature on 25 July will be set by the Hong Kong Observatory’s official daily maximum, and the market is currently pricing only a small chance of an extreme outcome. The crowd’s 2% yes probability implies traders expect a reading that lands well inside the normal July band rather than a standout heat event.

That framing fits the historical pattern. Hong Kong’s average July high is about 32°C, with the typical daily range clustering around 29–34°C, and 25 July is close to the month’s average peak heat in climatology data. Even so, the city can occasionally spike far above normal: the Observatory logged 36.1°C on a July day in recent years, and local reports have also cited 37°C readings during intense heat episodes. Those cases show why upper-tail outcomes are possible, but they are still uncommon enough that a very low market probability is broadly consistent with the baseline climate and with the fact that one-off records usually require a stronger synoptic setup.

For traders, the key catalysts are the Hong Kong Observatory’s short-range forecast updates, any tropical disturbance affecting South China Sea moisture, and the amount of cloud and rain on the day itself. The latest market snapshot points to a forecast around 33°C with showers and persistent humidity, which tends to cap daytime heating rather than support a blow-off high. Watch for overnight forecast revisions, rainstorm or thunderstorm signals, and whether clearing arrives early enough for strong insolation; those are the main dependencies that could move the final maximum towards 34°C or keep it pinned nearer 31–33°C.

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Methodology

Sports-specific comparison page for Highest temperature in Hong Kong on July 25?. 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

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.

Can I import form data and lineups?

This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.