Highest temperature in Taipei on June 8?

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Market context

The highest temperature recorded at Taipei Songshan Airport on 8 June 2026 will determine the settlement range for this market. Early June in Taipei typically sits in the warm-to-hot zone, with daily highs averaging 29–31°C, though the city's subtropical climate can produce readings several degrees higher during heat waves or when southwesterly flows dominate.

Historical data from Taipei's meteorological records shows considerable variability in early June temperatures. The 30-year mean for this period hovers around 30°C, but individual days frequently exceed 33°C, particularly when the southwest monsoon intensifies. The 0% crowd probability suggests traders are either awaiting clearer seasonal forecasts or treating the market as nascent; comparable early-June markets in subtropical East Asian cities typically see consensus clustering around the 30–33°C bands rather than extremes. The current implied probability reflects genuine uncertainty rather than conviction that temperatures will fall outside typical ranges.

Traders should monitor the Asian-Pacific weather pattern in late May 2026, particularly the position and strength of the subtropical high-pressure system and any tropical cyclone activity in the western Pacific. The China Meteorological Administration and Taiwan's Central Weather Administration issue extended outlooks roughly two weeks ahead; these forecasts will sharpen expectations around whether June 8 falls within a cooler monsoon phase or a heat-dominated spell. Sea-surface temperatures in the Taiwan Strait and broader regional atmospheric circulation patterns typically drive whether Taipei experiences anomalously warm or moderate conditions during this window.

Methodology

We track Highest temperature in Taipei on June 8? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

Is this market available outside the US?

Who Will Win 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.

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?

Not under $1,500 of lifetime trading volume. Above that threshold, Who Will Win triggers a quick verification flow that finishes in minutes.

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.