Highest temperature in Hong Kong on May 26?

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Market context

Hong Kong's daily maximum temperature on 26 May 2026 will be recorded by the Hong Kong Observatory and published in their Daily Extract dataset. The settlement window closes at midday UTC on that date, meaning resolution depends on the Observatory finalising their official "Absolute Daily Max (deg. C)" figure, which typically occurs within hours of the calendar day ending in Hong Kong local time. This is a straightforward instrumental measurement with no discretionary interpretation—the Observatory's automated weather stations and manual verification protocols produce a single definitive number.

May sits within Hong Kong's pre-monsoon season, when temperatures typically range between 28–32°C, though extremes have occasionally exceeded 34°C during heat waves. Historical data from the Observatory shows that late May maxima cluster around 30–31°C in most years, with outlier events driven by high-pressure systems stalling over southern China. The current 0% crowd probability suggests traders are pricing in a specific temperature range as unlikely, rather than doubting data availability—a useful signal for conditional order strategies that depend on Observatory publication timing.

Traders automating resolution monitoring should note that the Observatory publishes daily climate summaries on their website within 24 hours of observation, with the Daily Extract updated regularly. Monitoring their data feed directly via API or scheduled scraping eliminates reliance on secondary sources. Late May weather patterns are influenced by the onset of the Southwest Monsoon and tropical cyclone activity in the Western Pacific; significant weather systems or heat dome events would be visible in regional forecasts and satellite imagery days in advance, providing lead time for position adjustments before the settlement window closes.

Methodology

This page reviews Highest temperature in Hong Kong on May 26? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Review UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Review UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket Review UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on Polymarket Review UK?

Zero. Polymarket Review UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Review UK triggers a quick verification flow that finishes in minutes.