Highest temperature in Wellington on July 16?

Platform comparison

Market context

Wellington is currently experiencing a cool, south-south-westerly flow with temperatures hovering around 15°C at the International Airport, a stark contrast to the summer highs traders might expect for mid-July. The market on Polymarket prices the YES contract at 0%, implying the crowd sees virtually no chance of the temperature exceeding the lowest defined threshold for this specific resolution range. This pricing reflects the immediate on-chain reality where USDC liquidity on Polygon has flowed entirely to the NO side, treating the conditional tokens as a near-certain bet against a heat spike in the middle of the Southern Hemisphere winter.

Historical data for Wellington in July consistently shows maximum temperatures rarely exceeding 16°C, with the city famous for its wind rather than heat. Comparable cases from previous winters indicate that temperatures above 20°C are exceptionally rare anomalies, often linked to rare, intense northerly surges that have not materialised in recent years. The current 0% probability aligns with this long-term climatic baseline, suggesting traders are pricing in the statistical certainty of a cold, windy day rather than betting on an outlier event.

Traders should monitor the hourly updates from Wunderground for the Wellington Intl Airport Station, as the settlement relies exclusively on this specific data feed. While no immediate weather announcements are scheduled, the persistent south-south-westerly wind at 24 mph and rising pressure at 996mb suggest stable, cool conditions will persist through the settlement window ending at 12:00 UTC. The BBC Weather report confirms these conditions are active now, reinforcing the likelihood that the day’s peak temperature will remain within the lower ranges, validating the current market consensus.

Sources: 1

Methodology

We track Highest temperature in Wellington on July 16? 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

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