Highest temperature in Wuhan on August 10?

Platform comparison

Market context

Wuhan’s daytime heat has eased from the very hot August pattern that usually supports mid-30s Celsius highs, with current short-range forecasts centring on a much narrower peak around 29–30°C rather than the sort of 35°C-plus burst that often defines the city’s hottest spells.[3][8][9][14] At 4 AM UTC, the market is effectively trading against a modestly warm, partly disrupted afternoon rather than an extreme heat event, which helps explain why the crowd has settled at 0% for the higher temperature bands.[6][14]

For context, August is Wuhan’s hottest month on average, but the city’s record highs are well above the typical daily peak and only show up during exceptional heatwaves.[3][5][7][10] Historical data put average August highs around 32.5–33.6°C, while the all-time maximum reaches 41°C, so outcomes in the high 20s or low 30s are ordinary, whereas a move into the mid-30s would require stronger-than-expected clearing and solar heating.[3][5][7][8][10] That means the main question is not whether Wuhan can get hot in August, but whether today’s weather can break out of the forecast band.

Traders should watch the morning evolution of cloud cover, rainfall proximity, and wind, because these are the variables most likely to cap or extend the day’s maximum temperature.[14] The market also resolves off the Weather Underground “Daily Observations” table for Wuhan Tianhe International Airport, so intraday updates there matter more than the headline day-high figure.[4][6] Recent forecast commentary points to cloud cover and thundery showers limiting surface heating, which would keep the high near the lower 30s or below rather than pushing into the hottest bins.[6][9][14]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Wuhan on August 10? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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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%.