Highest temperature in Milan on August 7?

Platform comparison

Market context

Milan’s **highest temperature on 7 August** is effectively a weather-range bet rather than a simple hot/cool call, and the crowd is currently pricing the market as a strong **underdog** on the top end at **0% YES**. That makes the consensus clear: traders are not assigning much weight to an extreme reading, even though forecast sites still show a warm August day for the city, with highs around the high-20s to low-30s Celsius and some model runs lifting into the mid-30s.[2][3][7][8]

The historical frame matters because Milan in August typically posts daytime highs around **30°C** with humid, changeable conditions, while some forecasters have 7 August near **28–34°C** and Weather Underground history shows the market will settle on the **Daily Observations** maximum for the Malpensa station, not the headline day-high summary.[2][7][14] The current price looks like a value spot only if traders think the upper tail is underpriced; otherwise, the favourite remains the mid-30s band, with a contrarian case for a cooler outcome if showers or northerly flow cap the day’s peak.[2][8][12]

The key catalysts are the late forecast updates and whether any heat warning or shower risk persists through the observation window. AccuWeather had already issued a **yellow warning for extreme high temperature** in Lombardia for Friday, 7 August, while other forecast feeds showed patchy rain or scattered showers nearby, so the trader focus is on whether cloud cover or a sea-breeze type moderation trims the recorded maximum before the settlement window closes.[2][12][16]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Milan on August 7? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win, which mirrors the Polymarket order book at 0% fees.

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.

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 Who Will Win. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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?

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How do I deposit on Polymarket from the UK?

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