Highest temperature in Milan on August 10?

Platform comparison

Market context

Milan's highest temperature on 10 August 2026 will be recorded at Malpensa International Airport and reported through Weather Underground's Daily Observations table. The market settles on whichever temperature band captures the peak reading on that specific date, with the Daily Observations dataset taking precedence over any summary figures. For programmatic traders, this distinction matters: automated systems querying Wunderground's API must target the granular observation records rather than the rolled-up day-high summaries, as discrepancies between the two sources have occurred historically and would resolve against the summary-based approach.

Milan's August temperatures cluster around 28–32°C at Malpensa, though extremes have ranged from 25°C in cooler years to 35°C during heat waves. The 0% crowd probability suggests either a very narrow resolution band or market participants treating this as a calibration exercise rather than a genuine uncertainty event. Historical August data from the station shows that temperatures above 33°C occur roughly once per decade, making extreme heat plausible but not typical. Traders should cross-reference Malpensa's historical daily maxima against the specific temperature brackets offered to assess whether the crowd is pricing a realistic distribution or anchoring to recent mild summers.

European weather forecasting typically gains reliability 10–14 days ahead; by late July 2026, seasonal models will indicate whether anomalous heat or cooler patterns are developing across northern Italy. Traders monitoring longer-range ensemble forecasts from ECMWF or GFS in early August can adjust positions as the settlement window approaches. The airport station's elevation and urban heat island effects mean Malpensa readings often run 1–2°C cooler than central Milan, a factor worth accounting for when comparing to news reports of city-centre temperatures.

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

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.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.