Highest temperature in Beijing on June 15?

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Market context

Beijing’s early-summer heat is already the main driver here: June typically produces daytime highs around 30°C, with short rain showers rather than prolonged wash-outs, and the airport’s climate profile shows June as one of the cloudier months with temperatures that can still climb into the high 20s or low 30s Celsius. Against that backdrop, a current market price of 0% for a higher-band outcome implies traders see the reported airport high as likely to land in the lower temperature range, despite the month’s normal summer warmth.[2][3][7]

That low probability should be read against Beijing’s strong historical tendency for June afternoons to be warm enough to test the upper bands, even if not every day reaches extreme heat. Travel guidance for the city consistently describes June as hot and increasingly unstable, with daytime highs often 25–30°C and occasional spikes above 30°C when skies stay clear, which is why late-morning to mid-afternoon conditions matter most for a single-day maximum.[3][6]

The key catalysts are the local forecast for Beijing Capital International Airport and any shift in cloud cover, rainfall or thunderstorm timing around the midday-to-afternoon window, since a short convective shower can cap the day’s peak while clear sun can lift it quickly. Traders should also watch for any official forecast updates or aviation-weather changes close to the date, because the market settles on the highest temperature recorded at the airport station, not the citywide average or a daytime forecast midpoint.[1][2][8]

Sources: 1 · 2 · 3 · 4 · 5

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 Prediction Today — 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

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On Prediction Today, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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What's the difference between YES and NO shares?

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.

What does it cost to trade on Prediction Today?

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

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.