Highest temperature in Shenzhen on August 7?

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Market context

Shenzhen’s hottest reading on 7 August will come from the Weather Underground daily observations for Shenzhen Bao’an International Airport Station, with settlement tied to the highest Celsius value recorded in that table rather than any summary high-low line. Current third-party forecasts sit around the low-to-mid 30s Celsius, with several sources clustering near 32°C to 35°C and one Guangdong official forecast putting Shenzhen at 27°C to 34°C for the day.[4][8][11] Against that backdrop, the market’s 0% YES profile is strikingly low for a late-summer Shenzhen heat event, where humid subtropical conditions and August averages often support highs around 31°C to 35°C.[9][19][20]

Historically, markets like this tend to track the upper end of the forecast range rather than the average, especially when morning cloud or showers clear enough for a later spike in insolation. That matters because the resolution source is a single airport station observation series, so the outcome depends on whether the day’s peak is printed in the station data and not on citywide conditions or forecast headlines.[15] In crypto terms, the contract is a simple USDC-settled binary on an external weather print, so it should trade more like an event-specific derivative than a broad macro bet; BTC and ETH spot or funding rarely matter unless a wider risk-off move shifts liquidity across prediction markets.

Traders should watch for updates to Shenzhen’s short-range forecast, particularly any change in rain timing, cloud cover, or humidity that could cap the midday high below the current consensus band.[2][3][14] The Hong Kong/Guangdong official bulletin already points to a 27°C to 34°C Shenzhen range, which leaves little margin between the market’s upper buckets and a miss into the low 30s.[8] With settlement ending at 12:00 UTC, the relevant question is whether local late-morning warming is enough to push the station’s observed maximum into the highest listed range before the window closes.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads Highest temperature in Shenzhen on August 7? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

UK Frequently Asked Questions

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