Highest temperature in Wellington on June 26?

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Market context

The underlying event is the highest temperature recorded at Wellington International Airport on 26 June 2026, a date currently deep in the Southern Hemisphere winter. With the crowd-implied probability for a specific outcome sitting at 0%, the market reflects extreme uncertainty or a consensus that the target range is virtually unattainable under current conditions. This zero probability diverges sharply from cross-platform odds seen on similar contracts, such as the June 11 market where a 14°C peak held a 44.5% probability, suggesting traders are pricing in a significant seasonal drop rather than a flat baseline [1].

Historical data frames this probability as a reaction to typical winter volatility, where average daily highs in Wellington decline from 57°F to 54°F throughout June, often accompanied by overcast skies [4]. Recent anomalies further complicate the read; MetService reported that Wellington has already beaten its record June maximum with temperatures exceeding 19°C, indicating that while the baseline is cold, extreme outliers remain possible despite the 0% market pricing [6]. This divergence between the record-breaking warmth and the current zero probability suggests the market may be underpricing the risk of a sudden, unseasonal heat spike.

Traders should monitor immediate weather schedules and wind dependencies, as the current forecast predicts gales and heavy rain with temperatures hovering near 11°C, which would suppress any chance of a high peak [2]. The settlement window ends at 12:00 UTC, meaning the morning wind speed and pressure trends are the critical catalysts; a shift to south-south-westerly winds at 24 mph will likely maintain the low temperatures [2]. Analyst consensus on similar contracts often hinges on these short-term pressure shifts, and any deviation from the predicted 51–55°F range could invalidate the current 0% implied probability [10].

Sources: 1 · 2 · 3 · 4 · 5

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 Best Prediction Markets, which mirrors the Polymarket order book directly.

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.

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FAQ

Is this market available outside the US?

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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 Best Prediction Markets?

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