Highest temperature in Beijing on June 4?

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Market context

Beijing's highest temperature on 4 June 2026 will be recorded at Capital International Airport Station and resolved via historical weather data from Wunderground. The market currently shows 0% implied probability across all temperature ranges, suggesting either a data-loading issue or extreme uncertainty about which bracket will ultimately contain the recorded high. June in Beijing typically sees daily highs between 28°C and 32°C, with occasional peaks above 35°C during heat waves, so traders should expect the actual reading to fall comfortably within measurable ranges rather than at extremes.

Historical June temperatures at Beijing's airport station reveal a median high around 29–30°C, though the month has produced readings as low as 22°C and as high as 38°C depending on atmospheric patterns. The 2020–2024 period showed no June 4th readings above 33°C, but early-June heat waves do occur; the broader June average across recent decades hovers near 30°C. This distributional context suggests mid-range brackets (28–32°C) should carry substantially higher probability than the current market reflects.

Traders monitoring this contract should track China Meteorological Administration forecasts released in late May 2026, which typically provide ten-day outlooks with reasonable accuracy for Beijing. Broader Asian weather patterns—particularly the onset of the East Asian summer monsoon and any early-season heat dome formation—will drive near-term volatility. The settlement window closes at noon UTC on 4 June, giving traders a narrow window to adjust positions once morning temperatures become observable.

Methodology

This page reviews Highest temperature in Beijing on June 4? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Best Prediction Markets UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Is this market available outside the US?

Best Prediction Markets UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 Best Prediction Markets UK?

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

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets 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.