Highest temperature in Wellington on August 8?

Platform comparison

Market context

Polymarket is pricing this USDC-settled, Polygon-based contract at **0% YES** today, which means the market is effectively assigning no weight to a Wellington Airport daily maximum landing in the specified temperature band. The real-world event is the highest temperature recorded at Wellington Intl Airport on 8 August 2026, but settlement depends on Weather Underground’s **Daily Observations** table rather than the headline day-high summary, so traders should anchor to the observed station reading rather than a forecast widget. [9]

That zero price sits against a late-winter Wellington setup that is normally cool, but not uniform enough to treat as impossible. AccuWeather’s August outlook has daily highs mostly in the mid-to-upper teens Celsius equivalent, with the specific 8 August forecast near 14°C to 15°C and cloudy, breezy conditions, while the 10-day view shows 8 August around 57°F/49°F. That leaves room for a one-off warm spike if the airport gets a brief northerly burst or sun break, but the market is still asking traders to price an outlier, not a base case. [1][2][10]

For a hands-on Polymarket user, the main catalysts are the actual station observations through the day, especially any update in the Weather Underground feed before the settlement window closes at 12:00 UTC, which is the decisive source for the conditional token outcome. The key dependency is whether the airport’s recorded maximum ever touches the target Celsius range before the market resolves; forecasts matter mainly as a guide to whether that threshold is reachable, not as settlement evidence. [9][2]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, 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.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.