Highest temperature in Beijing on August 15?

Platform comparison

Market context

On 15 August 2026, the highest temperature recorded at Beijing Capital International Airport Station will fall within one of several defined ranges. The resolution hinges on data pulled from Weather Underground's Daily Observations table rather than the Day High & Low summary—a distinction that matters when automated systems scrape weather APIs, as the granular observation records often capture peak readings that summary sections round or omit. For programmatic traders, this means building verification logic that queries the specific endpoint rather than relying on headline figures.

Beijing's August temperatures typically peak between 32–35°C, with extreme heat occasionally pushing toward 37–38°C during heatwave conditions. Historical August records show the city has exceeded 40°C only twice in the past two decades, making the highest temperature brackets statistically unlikely. The 0% crowd probability suggests traders are pricing in a baseline expectation that falls within the modal range; however, this reflects prior-year distributions rather than any forecast-specific catalyst for 15 August 2026.

Traders monitoring this market should track China Meteorological Administration seasonal forecasts released in July 2026, which typically provide 10–30 day outlooks for major cities. Real-time atmospheric patterns—particularly the position of the Pacific subtropical high-pressure system and any tropical cyclone activity in adjacent regions—will shape conditions in mid-August. Setting conditional orders tied to official heatwave warnings or temperature thresholds from CMA bulletins allows hands-on traders to automate position adjustments without manual daily monitoring.

Methodology

We track Highest temperature in Beijing on August 15? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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

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 Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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 Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.