Pronóstico: Highest temperature in Wellington on July 1?

Platform comparison

Market context

The underlying real-world event is the highest temperature recorded at Wellington International Airport on 1 July 2026, measured in degrees Celsius. Historical data confirms that July is Wellington’s coolest month, with average temperatures hovering around 12°C, and the city rarely exceeds 23°C or dips below 3°C [2]. Current market pricing on Polymarket reflects this climatic reality: the frontrunner outcome is 12°C at 66–68% probability, while 13°C trails at 23%, and the market assigns 0% probability to any outcome implying extreme heat [1]. This distribution aligns with long-term patterns where Wellington’s temperate climate, moderated by wind and cloud cover, prevents significant temperature spikes even during summer anomalies [2][3].

Traders should monitor daily weather forecasts from AccuWeather and NIWA for any unexpected warm-air intrusions or shifts in wind direction that could elevate temperatures above the seasonal norm [7]. While Wellington typically sees moderate rainfall in July, a sudden reduction in cloud cover combined with southerly wind shifts could act as a catalyst for higher readings [2]. Recent reports from NIWA note that this summer has already seen only one day reaching 25°C at Wellington Airport—far below the typical five-day average—suggesting continued moderation unless a significant atmospheric anomaly occurs [4]. No major scheduled announcements or climate events are expected to disrupt this pattern before the settlement window closes on 1 July 2026 at 12:00 UTC. The on-chain mechanics remain straightforward: USDC trades on Polygon using conditional tokens, with resolution sourced directly from Wunderground’s historical daily data for NZWN [1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Pronóstico: Highest temperature in Wellington on July 1? 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 Argentina, 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

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 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 Polymarket Argentina trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.