Highest temperature in Wellington on July 8?

Platform comparison

Market context

The underlying event is the highest temperature recorded at Wellington International Airport in New Zealand on 8 July 2026, measured in degrees Celsius and resolved via Wunderground data. Current crowd-implied probability for a "YES" outcome sits at 0%, yet the market frontrunner is actually 12°C at 47%, with 13°C trailing at 40%[1]. This discrepancy suggests the binary framing may be misleading; historically, Wellington in early July sees highs between 10°C and 15°C, often influenced by brief foehn wind events off the Rimutaka Range that spike temperatures momentarily[6]. Programmatic traders should parse the distribution rather than the binary label, as the 0% likely reflects a misaligned contract condition rather than genuine climatic impossibility.

Traders monitoring this market must watch for real-time wind schedules and pressure shifts, particularly south-south-westerly gusts exceeding 24 mph which correlate with temperature spikes[3]. A recent foehn event on 7 July demonstrated how Rimutaka Range winds can abruptly elevate readings at the airport station, a dependency that automated bots should flag via Wunderground’s hourly API[6]. While no specific announcement is scheduled, the settlement window ending 2026-07-08T12:00:00Z requires continuous data ingestion; conditional orders should trigger if temperatures breach 11°C before noon, as this aligns with the 47% probability cluster[1]. The key catalyst remains the wind direction, not a formal forecast update.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Wellington on July 8? 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 Polymarket Bot UK, 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.

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 Polymarket Bot UK. 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 does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.