Highest temperature in Hong Kong on June 24?

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Market context

Hong Kong is bracing for an exceptionally hot June 2026, with the Hong Kong Observatory forecasting above-normal temperatures and daily highs potentially reaching 35°C or more. This prediction market currently shows a 0% crowd-implied probability for the “YES” outcome, suggesting traders doubt the temperature will fall into the specified range, despite strong seasonal signals pointing toward record heat.

Historically, June in Hong Kong has seen absolute maximums climb as high as 35.6°C in 2025, the city’s sixth warmest year since 1884, with all 12 months warmer than usual [3]. The 2026 outlook reinforces this trend, with the Observatory noting a high chance of 2026 becoming one of the warmest top 10 years on record, driven by possible El Niño development and ongoing climate warming [4][8]. These comparable cases frame the current 0% probability as unusually cautious given the meteorological evidence.

Traders should monitor the Observatory’s finalised “Daily Extract” for 24 June 2026, which will publish the definitive “Absolute Daily Max” temperature once data is finalized [1]. Key catalysts include any extreme heat warnings issued ahead of the date—such as the recent alert for temperatures hitting 37°C in the New Territories [5]—and updates on tropical cyclone activity, which could influence rainfall and cooling. The Hong Kong Observatory’s seasonal forecast confirms above-normal temperatures are expected, making the market’s current stance lean heavily on the timing and finalisation of official data rather than dismissing the heat risk outright [2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Highest temperature in Hong Kong on June 24? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Trump Prediction routes every trade through to Polymarket — at 0% fees.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

Where can I trade this market with the lowest fees?

On Trump Prediction, 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.

What does it cost to trade on Trump Prediction?

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

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.

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.