Highest temperature in Wellington on July 9?

Platform comparison

Market context

Wellington International Airport is experiencing strong winds, rain, and temperatures hovering around 10°C to 15°C on 9 July 2026, making a 0% crowd-implied probability for any higher temperature range entirely consistent with the current weather reality. Historical data confirms July is the coldest month for the region, with average highs of only 54°F (12°C) and lows of 47°F (8°C), meaning the climatological ceiling for this date sits firmly near 11°C[3]. Previous markets on adjacent dates, such as the 7 July event resolving to 9°C, reinforce that outcomes cluster tightly around this single-digit to low-double-digit Celsius range, leaving no statistical room for the market to favour significantly warmer scenarios[5].

Traders should monitor the scheduled release of hourly Wunderground data at 12:00 UTC, which will definitively settle the contract based on the highest recorded temperature for all times on this day[1]. The primary catalyst is the persistent south-south-westerly wind flow at 38 km/h combined with 72% humidity, which suppresses any potential for solar heating or temperature spikes throughout the daylight hours[1]. While crypto macro factors like BTC funding rates or USDC liquidity flows do not directly influence local weather, whale activity on prediction exchanges could shift odds if new atmospheric models unexpectedly predict a rapid pressure rise, though current pressure readings of 996mb are rising only slowly, suggesting continued stability[1]. No immediate weather announcements are expected to alter this trajectory, as the forecast for light rain and heavy showers remains unchanged for the settlement window[8].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads Highest temperature in Wellington on July 9? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

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.

Why USDC and not ETH or USDT?

USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.

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.