Highest temperature in Beijing on June 15?

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Market context

Beijing's highest temperature on 15 June 2026 will be measured at Capital International Airport Station and resolved against historical weather data from Wunderground. Mid-June falls within Beijing's early summer period, when daily highs typically range between 28–32°C, though heat waves can push readings several degrees higher. The settlement window closes at midday UTC, meaning only temperatures recorded up to that point count toward resolution.

Historical June data from Beijing shows considerable year-to-year variation. Between 2015 and 2024, mid-June highs ranged from 24°C during cooler years to 36°C during heat events. The 0% crowd probability suggests traders are either uncertain about the specific temperature bands offered or expect the market's range options to miss the actual outcome entirely. Without visibility on the exact bracket thresholds, assessing whether this reflects genuine predictive confidence or merely sparse liquidity remains difficult.

Traders should monitor China's meteorological forecasts from late May onwards, as seasonal patterns and any developing high-pressure systems will become clearer closer to the date. Beijing's urban heat island effect typically raises airport-area temperatures 1–2°C above surrounding rural zones. Historical precedent shows that early-to-mid June heat waves, whilst not uncommon, remain sufficiently variable that pinpointing the precise daily maximum remains inherently uncertain even with modern forecasting tools.

Methodology

This page reviews Highest temperature in Beijing on June 15? 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 Champions League Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

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A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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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.