Highest temperature in Wellington on August 7?

Platform comparison

Market context

Wellington Airport has not shown any sign of an early-August heat surge: the latest available historical view still points to a cool winter pattern, with August averages clustered around **12°C to 14°C** for daytime highs and the month described as Wellington’s coldest on several climate summaries.[6][7][12] With settlement tied to the airport station and the outcome based on the day’s *maximum* reading, the crowd-implied **0% YES** is consistent with a market expecting no unusual warmth rather than a literal zero chance of an above-average spike.[4][14]

The historical frame matters because Wellington’s August temperatures are usually compressed into a narrow band, and even the warmest August days tend to sit well below summer levels.[6][16][17] That means the market is most sensitive to a brief afternoon warm-up, rather than the daily mean or overnight low, and any move out of the lowest temperature buckets would likely require a clear break in the local winter pattern.[4][11] Past-weather records from the airport station are the relevant comparator here, not central Wellington readings, because the market resolves specifically on Wellington Intl Airport Station data.[1][14]

Traders should watch the airport forecast, wind direction and cloud cover through the day, because Wellington’s exposed position can keep maxima down even when surrounding areas are milder.[9][11] The key dependency is whether the airport gets enough sun and a northerly or north-westerly flow to lift the afternoon peak; if conditions stay breezy or onshore, the highest temperature is likely to remain in a low winter range.[9][14] The resolution source is Wunderground’s Wellington Intl Airport daily history page, so the decisive number will be the station’s highest recorded Celsius reading for the calendar day, not a general city forecast.[4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Wellington on August 7? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors 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.

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 Prediction Today. 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.

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%.