Highest temperature in Hong Kong on August 11?

Platform comparison

Market context

Hong Kong’s **11 August** reading is already being framed by a very hot forecast, with the Hong Kong Observatory calling for a maximum of around **35°C in urban areas** and a couple of degrees higher in the New Territories, after an already warm start to the day. That matters because this market resolves to the day’s single highest recorded temperature, not the average or the evening value, so the main question is whether the official peak lands in the **mid-30s** or gets nudged higher by localised heat inland.[9][8]

The current **0% YES** price looks detached from the day’s setup rather than from an established cool pattern. Comparable August conditions in Hong Kong often produce highs around **31–33°C**, but the Observatory’s own outlook is above that norm, and private forecasts are clustering higher still, with AccuWeather showing **95°F** in Kowloon City and a separate Hong Kong forecast peaking near **97°F**; Timeanddate is also tracking a high around **95°F**. The market will therefore live or die on whether the official daily extract confirms a reading in the target band once the Observatory finalises the data.[13][1][4][6]

For traders, the main catalysts are the Observatory’s intraday updates and any shift in the local forecast around thunderstorm coverage, cloud build-up, or rain timing, because those factors can cap afternoon heating. The Observatory notes regular forecast updates, while its hourly readings this morning already showed widespread **29–31°C** temperatures across Hong Kong and a thunderstorm warning in force, which suggests the ceiling could depend on how much sun breaks through later rather than on the morning baseline.[9][8]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in Hong Kong on August 11?. 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?

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.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

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?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.