Highest temperature in Hong Kong on June 15?

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Market context

Hong Kong's daily maximum temperature on 15 June 2026 will be recorded by the Hong Kong Observatory and published in their Daily Extract climate data. The settlement hinges on the official "Absolute Daily Max" figure in degrees Celsius to one decimal place, with the market unable to resolve until the Observatory finalises and releases this measurement.

June in Hong Kong typically falls within the pre-monsoon season, characterised by warm, humid conditions ahead of the southwest monsoon onset. Historical data from the Observatory shows June daily maxima in Hong Kong generally range between 28°C and 34°C, though extremes have occasionally exceeded 35°C during particularly intense heat episodes. The 0% crowd probability suggests traders are either awaiting clarity on the specific temperature bands available for settlement or reflecting uncertainty about which range will ultimately contain the recorded figure. Comparable June dates provide limited predictive power given year-to-year variability driven by atmospheric circulation patterns and sea-surface temperatures in the South China Sea.

Traders should monitor meteorological forecasts released in the week preceding 15 June 2026, particularly those from the Hong Kong Observatory's own forecast service, which typically issues extended outlooks five to seven days in advance. The settlement window closes at 12:00 UTC on the date itself, meaning traders have limited opportunity to adjust positions once preliminary temperature readings emerge. Any significant weather system—tropical cyclone activity, unusual upper-air patterns, or anomalous heating—could shift outcomes materially from seasonal norms.

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Hong Kong on June 15? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

Where can I trade this market with the lowest fees?

On Election Predictions 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.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

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

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.