Highest temperature in Shenzhen on July 27?

Platform comparison

Market context

Shenzhen is heading into a typically hot, humid July afternoon, and the latest forecasts still cluster around the low 30s Celsius rather than any outsized heat spike. AccuWeather’s July outlook puts daily highs between 86°F and 93°F, while Meteored has Sunday at about 94°F with a high rain chance, which means the market is being priced against a fairly ordinary summer peak rather than an extreme-weather day.[1][7]

That is important because Shenzhen’s July climate is already near the upper end of its seasonal range: WeatherSpark puts average daily highs at about 89°F, rarely below 84°F or above 93°F, and other climate summaries put typical July highs around 32°C with frequent rain and high humidity.[15][13][8] With the current crowd-implied probability at 0%, the market is effectively saying traders do not expect the airport station to print into the top bucket for the day, which is consistent with a forecast that stays near 30–34°C rather than pushing materially hotter.[1][9]

The main catalysts are the midday heating cycle, cloud cover, and whether showers or thunderstorms break up the day’s warming before the daily maximum is set. Current live conditions around Shenzhen show temperatures near 28–31°C, humidity in the high 60s to high 80s, and only light to moderate winds, so any upside risk would likely come from stronger-than-forecast sunshine rather than a change in large-scale weather.[2][3][10][11] Traders should watch hourly forecast updates and radar through late morning, because the settlement source is the day’s highest reading at Shenzhen Bao'an International Airport Station, not the afternoon forecast high.[14]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Shenzhen on July 27? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors 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

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.

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'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 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 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.