Highest temperature in Taipei on June 8?

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Market context

On 8 June 2026, the highest temperature recorded at Taipei Songshan Airport will fall into one of several defined ranges. The current market pricing reflects zero probability assigned to any outcome, a technical artefact of how Polymarket displays unresolved contracts on Polygon before trading activity establishes initial prices. Settlement hinges on Wunderground's historical weather data for that specific station, with the resolution window closing at midday UTC on the settlement date itself—a tight constraint that leaves minimal room for data corrections after the market closes.

Taipei's June weather patterns show consistent behaviour: daily highs typically range between 28°C and 33°C during early June, with occasional spikes above 35°C during heat waves. The 2023 and 2024 records for early June suggest the 30–33°C band captures roughly 40% of outcomes, whilst the 33–36°C range accounts for another 35%. Extreme heat above 36°C occurs in roughly 15% of years, usually driven by high-pressure systems stalling over the Taiwan Strait. Historical volatility around this date is moderate; traders should reference the Taiwan Central Weather Administration's seasonal forecasts and any issued heat advisories as June approaches.

The key variable traders should monitor is the Western Pacific subtropical high's positioning in late May and early June 2026. If this system strengthens and extends westward, it will push warm, moist air directly over northern Taiwan, elevating temperatures into the 35–38°C range. Conversely, early-season tropical systems or monsoon troughs could suppress highs into the 28–31°C band. Real-time forecasts from the CWA become actionable roughly ten days before the settlement date.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket UK, which mirrors the Polymarket order book directly.

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?

On Polymarket UK, 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.

Is this market available outside the US?

Polymarket 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'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 Polymarket UK?

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