Highest temperature in Wellington on June 21?

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Market context

Polymarket has this Wellington Airport temperature contract at **0% YES** today, so the market is effectively pricing no chance that the day’s maximum at Wellington Intl Airport will land in the relevant Celsius band for settlement. On Polymarket, that price reflects USDC-denominated conditional tokens on Polygon, so the current quote is the crowd’s view of where the airport’s highest reading on 21 June 2026 will end up relative to the contract’s temperature buckets, not a general view of Wellington weather.[1][2]

For context, June at Wellington International Airport is normally a cool, late-autumn/early-winter month: average daily highs there sit around the mid-teens Celsius, and the airport’s published June climatology shows highs easing from about 57°F to 54°F across the month.[3][5] The live setup also matters, because forecasts for 21 June show a much cooler profile than the recent outlier warmth already seen in Wellington, when MetService said the city had beaten its maximum June temperature on record with more than 19°C recorded earlier in the month.[4] That makes today’s 0% pricing easier to read as a view that the airport’s high will stay well below any warmer settlement bands.

A trader watching this market should focus on the Wellington Intl Airport Wunderground history page, since settlement is based on the highest temperature recorded there during the day, not on a midday snapshot or a citywide forecast.[1] The key catalysts are the passing weather pattern, any MetService updates on wind, showers, or frontal timing, and the airport’s own observations through the day; BBC Weather currently shows strong winds, light rain showers overnight, and thundery showers on Sunday, with an observed 15°C at the airport and a falling/rising pressure readout that can move intraday conditions quickly.[1] Because the market settles at 12:00 UTC, traders also need to track the exact timing of any warm spell before the window closes.[1]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Legit?, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What does it cost to trade on Polymarket Legit??

Zero. Polymarket Legit? routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Legit? triggers a quick verification flow that finishes in minutes.

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.