Highest temperature in Wellington on August 1?

Platform comparison

Market context

The event is the highest temperature recorded at Wellington Airport on 1 August, settled from Wunderground’s daily history page in degrees Celsius. August in Wellington is usually cool and fairly steady, with long-run average highs around 12°C and overnight lows near 9°C, so the contract only pays higher bands if the day produces an unusual late-winter warm spike.[1][12]

That makes the current **0% YES** reading easy to understand: comparable August climate norms sit well below the upper temperature ranges that would matter for most higher buckets, and historical August records are still modest. Public climate summaries for Wellington show August maxima typically around 12.9°C, with an observed August record near 18°C in recent historical datasets, which implies that only a pronounced föhn-like warm day would lift the airport reading meaningfully above average.[3][13]

The main catalysts are local weather changes rather than crypto-market moves: a clear, dry northerly flow can briefly push temperatures up in Wellington, while onshore winds, cloud, and rain usually cap the day’s high close to seasonal norms. Traders should watch MetService and airport-area forecasts into the final hours before the noon UTC settlement cut-off, plus any intraday revision to observed highs on Wunderground’s airport station page, since the contract resolves to the day’s peak official reading rather than the forecast.[14][16]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

What are crypto prediction markets?

Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.

What does a transaction cost on Polygon?

Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.

Can I use Bitcoin directly?

No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.

How volatile are crypto prediction markets?

Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.

Which crypto markets exist on Polymarket?

Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.