Pronóstico: Highest temperature in Wellington on July 27?

Platform comparison

Market context

Polymarket is pricing this Wellington Airport temperature contract at **0% YES** right now, so the order book is effectively saying no meaningful chance is being assigned to the eventual Wunderground reading landing in the specified Celsius band. The market settles on the **highest temperature recorded at Wellington Intl Airport Station**, with the outcome depending on the daily maximum published by the resolution source for 27 July, and payout occurs in **USDC** through Polygon-based conditional tokens once the source data is final.

For context, Wellington’s winter profile usually keeps daytime highs in the low teens rather than anything substantially warmer. Polymarket’s own market page says current forecasts centre on **10–11°C** for the day’s maximum, with **11°C** the leading outcome, and notes Wellington’s exposed coastal setting and southerly winds as key reasons highs often sit around **11–12°C**.[3] That lines up with broader July climatology pointing to typical highs around **12°C** and breezy conditions, while local forecast pages also show a cool, unsettled pattern with precipitation and strong winds in the mix.[4][5]

A trader watching the final price should focus on late shifts in the Wellington forecast, especially any change in cloud cover, wind direction, or rain timing that could trim or lift the afternoon peak. Short-term weather models currently point to a cool day, with one forecast showing a daytime ceiling near **10–11°C** and southerly winds strengthening through the day.[1][5] The practical Polymarket angle is that any move from a tightly clustered 10–11°C expectation into a different temperature bucket would have to come from a meaningful forecast revision, not a routine hourly wobble.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Pronóstico: Highest temperature in Wellington on July 27? 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 Qué Es, which mirrors the Polymarket order book at 0% fees.

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

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.

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.

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.