Highest temperature in Beijing on July 7?

Platform comparison

Market context

Beijing’s Capital International Airport will record its peak temperature on 7 July 2026, with the market currently pricing a 32°C hit at 29.5% while the crowd implies zero probability for any outcome above 30°C. Historical data frames this as a classic underdog scenario: July in Beijing routinely sees daily highs near 88°F (31.1°C), rarely dipping below 78°F (25.6°C) or exceeding 96°F (35.6°C), with the month’s average peak hitting 88°F on 17 July[3]. The all-time record for the station is 42.1°C on 5 July 2010, and in 2023 the city reached 40°C, confirming that extreme heat is not anomalous in mid-summer[5][7].

The consensus sits firmly on cooler ranges, yet value likely lurks in the 32°C–33°C bracket as a contrarian angle, especially given China’s recent trend of record-breaking heat, including the hottest month in recent history recorded in July 2024[4]. Traders should monitor the Beijing Meteorological Bureau’s weekly heatwave forecasts and any official advisories on extreme temperatures, which often precede spikes in public alerts and infrastructure strain[8]. With settlement ending 12:00 UTC on 7 July, the key dependency is the Wunderground daily record for ZBAA, which will capture the absolute peak regardless of timing[2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win 2026, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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 Who Will Win 2026. 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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win 2026 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.