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 city's international airport weather station and resolved against historical data from Weather Underground. May falls within Wellington's autumn season in the Southern Hemisphere, typically characterised by mild to cool conditions as the region transitions toward winter.

Wellington's May temperatures historically cluster in the 10–15°C range for daily maxima, though the city's exposure to Cook Strait winds and variable weather patterns mean daily variation is substantial. The 0% crowd probability suggests traders expect the settlement to fall outside extreme ranges rather than reflecting genuine uncertainty about whether a temperature will be recorded. Comparable May days at Wellington Airport over the past decade show maxima rarely exceeding 18°C, with most days settling between 8°C and 14°C. The airport's coastal location and latitude (41°S) anchor expectations toward cooler outcomes than inland centres at similar latitudes.

Traders monitoring this market should track the Southern Oscillation Index and sea surface temperature anomalies in the Tasman Sea during April and early May 2026, as these drive Wellington's short-term weather patterns. The National Institute of Water and Atmospheric Research (NIWA) publishes monthly climate outlooks that typically become available six weeks ahead of the target month. Unusual high-pressure systems or warm air masses from the north could shift outcomes toward higher temperature bands, though such events remain statistically uncommon for Wellington in late autumn.

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Wellington on May 26? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

Where can I trade this market with the lowest fees?

On Trump Prediction, 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.

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 does it cost to trade on Trump Prediction?

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

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.

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.