Highest temperature in Wellington on July 8?

Platform comparison

Market context

Wellington on 8 July 2026 is forecast to experience strong winds and rain with a maximum temperature near 15°C, making the current 0% YES probability for any higher range entirely consistent with on-chain pricing. Polymarket users trading this contract on Polygon with USDC conditional tokens see the market correctly valuing the likelihood of extreme heat as negligible, given the prevailing winter conditions and the settlement window closing at 12:00 UTC.

Historical data from Wellington International Airport confirms that July is the coldest month, with mean daily maximums rarely exceeding 14°C and average highs hovering around 13–15°C. A comparable market for 6 July 2026 priced a 13°C outcome at 51%, reflecting the typical coin-flip uncertainty around modest winter peaks rather than any chance of record-breaking warmth. This pattern frames the current 0% probability as a rational assessment of seasonal norms rather than an outlier.

Traders should monitor real-time updates from Wunderground and the National Weather Service for any sudden shifts in wind direction or cloud cover, though no extreme heat announcements are scheduled. Recent reports from Yahoo News highlight record-breaking heat in the US, but these events are geographically isolated and have no dependency on Wellington’s microclimate. The primary catalyst remains the absence of any forecasted temperature spike, with current observations showing 24 mph south-south-westerly winds and 72% humidity, conditions that suppress maximum temperatures.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Wellington on July 8? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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?

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.

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.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.