Pronóstico: Highest temperature in Wellington on July 6?

Platform comparison

Market context

The underlying real-world event is the highest temperature recorded at Wellington International Airport on 6 July 2026, measured in degrees Celsius. On Polymarket today, this contract trades with a 0% implied probability for the "YES" outcome, suggesting the market views the specific temperature range in question as virtually impossible. This stark pricing contrasts with recent data from Lines.com, where a similar Wellington July 6 market estimated a 51% chance the maximum temperature lands exactly at 13°C, effectively a coin flip against other outcomes[1]. Historical patterns for Wellington in July show daily highs averaging around 53°F (11.7°C), rarely falling below 48°F or exceeding 57°F, which frames the 13°C outcome as a plausible median rather than an outlier[8].

Traders should monitor the official Wunderground settlement feed, which resolves based on the highest temperature recorded for all times on that day at the Wellington Intl Airport Station[1]. The key catalyst is the arrival of the actual weather data, as no weather announcements or schedules currently predict a heatwave that would breach typical July norms for this region. While New Zealand recently experienced a record heatwave where Wellington (Kelburn) hit 30.3°C, this was an exceptional event in February, not a July occurrence, making a similar spike in mid-winter highly improbable[4]. The on-chain mechanics rely on conditional tokens settled in USDC on the Polygon network, meaning liquidity will only shift if the Wunderground data contradicts the current 0% pricing, a scenario that historical averages suggest is unlikely[2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Pronóstico: Highest temperature in Wellington on July 6? 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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 Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es 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.