Highest temperature in Wellington on May 26?

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Market context

Wellington's maximum temperature on 26 May 2026 will be recorded at the airport weather station and resolved against historical temperature bands. The 0% crowd probability suggests traders are pricing in either extreme confidence in a particular outcome or genuine uncertainty about which temperature bracket will occur.

May sits in Wellington's autumn season, when daily highs typically range between 13–16°C. Historical data from the past decade shows that late May temperatures at Wellington Airport rarely exceed 18°C or fall below 10°C, with the most common outcome clustering around 14–15°C. Extreme readings—either above 20°C or below 8°C—occur in roughly 5–10% of years. The current zero probability across all brackets suggests the market may lack sufficient liquidity or trader participation to establish meaningful odds, rather than reflecting genuine forecasting consensus.

The Southern Hemisphere autumn weather pattern in late May is largely determined by the position of the subtropical ridge and any passing frontal systems. MetService and NIWA issue seasonal outlooks months in advance, though specific daily forecasts become reliable only 7–10 days prior to the date. Traders should monitor late-May 2026 weather models as they emerge in mid-May, particularly any signals of unusual warmth from a northerly flow or cold snaps from southerly systems. Historical precedent suggests the most likely resolution will fall in the 13–16°C bands, where the bulk of comparable May days settle.

Methodology

This page reviews Highest temperature in Wellington on May 26? 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 Who Will Win 2026 — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

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 Who Will Win 2026?

Zero. Who Will Win 2026 routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Who Will Win 2026 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.