Highest temperature in Wellington on June 24?

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Market context

Wellington is bracing for a cold, wet June 24 as winter solstice conditions dominate, with current forecasts predicting a high of just 9–15°C and scattered rain, making any temperature above 16°C virtually impossible. This aligns with the market’s 0% probability for outcomes exceeding 16°C, reflecting the stark reality of Wellington’s winter climate where daily highs rarely exceed 14°C in late June.

Historical data from June at Wellington International Airport shows daily highs decreasing from 57°F to 54°F (14°C to 12°C), rarely exceeding 62°F (16°C), with 42% of the month experiencing overcast skies and gradually increasing wet-day chances. Past Polymarket outcomes for similar dates, such as June 7, settled at 14°C, reinforcing that 16°C is already an extreme outlier for this period, not a plausible target.

Traders should monitor the MetService’s “Strong Wind Watch” issued at 9:01am for northeasterlies becoming strong in the evening, which will suppress temperatures further, and watch for any unexpected northerly warm-air advection announcements. The BBC Weather update confirms light rain and a gentle breeze with a high of 15°C, while NIWA and AccuWeather forecasts consistently place highs below 16°C, leaving no room for the market’s implied 16°C frontrunner to shift.

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 Prediction Today, which mirrors the Polymarket order book directly.

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

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On Prediction Today, 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'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 Prediction Today?

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