Highest temperature in Wellington on July 6?

Platform comparison

Market context

On 6 July 2026, Wellington International Airport faces a light northerly flow that historically caps daytime highs near 13–14°C, making any temperature above this range exceptionally rare for midwinter in New Zealand. The crowd-implied probability of a higher-than-expected peak sits at 0% YES, reflecting strong consensus that the day will not breach typical winter thresholds. This aligns with MetService’s recent update, which tightened the forecast for the following day to exactly 14°C under similar conditions, suggesting a stable thermal pattern across the region[1].

Historical data confirms July is the coldest month at Wellington International Airport, with average highs of just 54°F (12.2°C) and lows of 47°F (8.3°C), reinforcing the market’s bearish stance on extreme warmth[5]. While contrarian traders might spot value in a sudden southerly shift or unseasonal northerly surge, such events are statistically improbable without a clear atmospheric catalyst. Recent observations show persistent rain and 44km/h south winds at the airport, further dampening any chance of a temperature spike[9]. Traders should monitor Wunderground’s hourly updates for deviations from the 13°C baseline, as even a 1°C rise could signal a shift in market value[2]. No major weather announcements are scheduled, but real-time wind and pressure changes remain the primary dependencies for any contrarian angle.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Wellington on July 6? 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 Who Will Win, 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

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 Who Will Win. 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.

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.

Do I need to KYC for this market?

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