Highest temperature in Wellington on July 7?

Platform comparison

Market context

The real-world event concerns the highest temperature recorded at Wellington International Airport on 7 July 2026, a date that falls in the heart of New Zealand’s winter. Current weather data for today shows light rain, strong south-south-westerly winds at 24 mph, and a high of 14°C, with lows near 11°C[1][2]. These conditions are typical for mid-winter in Wellington, where persistent cloud cover and cool maritime air suppress daytime heating, making extreme warmth highly improbable.

Historical records from July 2025 and climate data for Wellington Airport confirm that winter highs rarely exceed 15°C, with the highest recorded July temperature in recent decades hovering around 17°C[3][7]. The 0% crowd-implied probability for a “YES” outcome aligns with this pattern, as no credible forecast or analyst consensus suggests a deviation from seasonal norms. Unlike summer months when temperatures can reach 25°C or higher, winter in Wellington is consistently cool and wet, with no significant heatwave catalysts anticipated. Traders should monitor the MetService and BoM daily updates for any anomalous pressure shifts or wind changes, though recent reports indicate stable, rising pressure and no signs of clearing skies[5][6]. With settlement ending on 7 July 2026 at 12:00 UTC, the market remains firmly anchored to historical winter behaviour, leaving little room for divergence between prediction-market odds and real-world outcomes.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Wellington on July 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 Best Prediction Markets, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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 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.

Do I need to KYC for this market?

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

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.