Highest temperature in Milan on August 10?

Platform comparison

Market context

Milan’s temperature on 10 August will hinge on the highest reading recorded at Malpensa Airport, with the market resolving from Weather Underground’s **Daily Observations** table rather than the broader day-high summary. That makes the contract sensitive to the exact intraday peak, not just the headline forecast, and it helps explain why a 0% crowd-implied yes can coexist with a non-zero chance of a hot-afternoon spike if the site later posts a high in the relevant Celsius band.[2][15]

On comparables, Milan in mid-August is usually warm to hot rather than extreme: long-run August averages cluster around the high 20s Celsius, with typical highs near 28–30°C and occasional hotter years above 32°C.[1][3][6][9][11] Forecast platforms for 10 August point to roughly 28–38°C equivalents depending on station and provider, which is comfortably above climatology but not unprecedented, so the market’s 0% yes looks more like a pricing out of the exact range than a view that the day must be cool.[4][10][14][15] By contrast, prediction-market and sportsbook-style pricing would usually leave at least some residual probability if traders expected a late-afternoon reading to cross a threshold, so the current read implies a meaningful disconnect between the contract and the broader weather outlook.[4][15]

The main catalysts are the day’s actual observation cycle at Malpensa and any update to the Weather Underground table before the settlement window closes, because the final printed maximum is what matters.[2] Traders should watch for strong sunshine, weak wind and any warm-air advection over Lombardy, all of which can lift airport highs above the daily forecast and create a last-hour repricing if observations trend hotter than expected.[15][18]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Milan on August 10? 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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

UK Frequently Asked Questions

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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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

What are the best prediction markets for UK traders in 2026?

For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.