Highest temperature in Wellington on June 24?

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Market context

The real-world event hinges on the highest temperature recorded at Wellington International Airport on 24 June 2026, measured in degrees Celsius and resolved via Wunderground data. A power-user approaching this programmatically would script a bot to poll Wunderground’s hourly history for NZWN, extract the daily peak, and map it against the market’s temperature brackets, ignoring the current 0% crowd-implied probability for YES as a potential mispricing signal.

Historical context frames this probability sharply: June in Wellington typically sees average highs drop from 57°F to 54°F (14°C to 12°C), with overcast conditions dominating 42% of the month, making extreme warmth unlikely [2]. However, MetService NZ recently confirmed Wellington already shattered its record June maximum earlier this month, with over 19°C (66°F) recorded on 1–2 June, proving that outliers can occur even in cool seasons [4]. This anomaly suggests the 0% YES probability may underestimate the tail risk of a rare warm spike.

Traders must monitor immediate catalysts: today’s BBC Weather forecast predicts sunny intervals and a moderate breeze with a high of 15°C (58°F), but light rain and a gentle breeze are expected later, potentially suppressing peaks [1]. The key dependency is whether southerly winds (currently 16 mph) weaken or shift, as warmer air masses from the north could elevate temperatures beyond the seasonal norm. No official announcements are scheduled, but real-time Wunderground updates will be the definitive trigger for settlement [6].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Wellington on June 24? 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 Polymarket App UK — 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

Where can I trade this market with the lowest fees?

On Polymarket App UK, 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.

Is this market available outside the US?

Polymarket App UK 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.

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 Polymarket App UK?

Zero. Polymarket App UK 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.