Highest temperature in Hong Kong on August 4?

Platform comparison

Market context

Hong Kong’s highest temperature on 4 August will be set by the Hong Kong Observatory’s final “Absolute Daily Max (deg. C)” reading for that day, with the market resolving to the bracket that contains the published figure to one decimal place. In practical terms, this is a one-day weather outcome rather than a long-range seasonal call: the settlement depends on the Observatory’s final daily extract, not on any headline forecast or later revision.

The surrounding weather context points to a very warm but moisture-laden Hong Kong summer, which usually keeps daily highs clustered in the high 20s to low 30s Celsius. Recent market commentary has framed the range around 29–31°C, while broader August climatology from commercial forecast pages places typical highs near 31–32°C and frequent rain or showers as a moderating factor. That combination matters for probability reading: in a city where cloud, convection and monsoon rain can shave a degree or two off the peak, public pricing often shifts between adjacent bands rather than jumping far from the seasonal mean. [1][2][7][11]

For traders, the main catalysts are the Hong Kong Observatory’s morning and daytime forecast updates, any thunderstorm or rain warnings, and whether showers arrive early enough to suppress insolation before the day’s maximum is logged. Hong Kong’s own August seasonal outlook notes the period as part of the summer monsoon/typhoon season, which is precisely when forecast volatility is highest and a small timing change in rainfall can decide whether the day tops out at 29, 30 or 31°C. The market cannot finalise until the Observatory publishes the completed daily extract, so any intraday readings or unofficial app forecasts remain only directional. [9][15][16]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Entertainment-specific comparison page for Highest temperature in Hong Kong on August 4?. 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

When do award markets resolve?

After the official announcement — e.g. Oscars ceremony end for Academy Awards markets, Eurovision final end for ESC markets. UMA Optimistic Oracle typically uses the official award website as the resolution source.

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.

How are reality-TV outcomes verified?

UMA Oracle uses the official show website or producer statement as the resolution source. Very narrowly defined markets (e.g. "Will X be voted off the island?") rely on the official show notes.

Are there politics-entertainment crossover markets?

Yes — e.g. "Will X be parodied on SNL?", "Who will host the next Oscars?". These have thinner liquidity but offer alpha for traders who read pop-culture and political worlds together.