Highest temperature in Milan on July 31?

Platform comparison

Market context

Milan’s late-July heat profile is the key reference point here: the city’s normal July high is around 29–30°C, but heatwave spikes regularly push maxima into the mid-30s, with historic extremes above 38°C and a recent 40°C reading in the Milan area on 30 July 2026.[6][7][1] For a market resolving on the highest temperature at Malpensa Airport on 31 July, a 0% YES price implies the crowd is effectively discounting any chance of a top-end reading, even though the climate backdrop still leaves room for a materially warm afternoon if the synoptic set-up stays hot.[14][17]

For power users, this is best treated as a data-scrape market rather than a narrative one: the relevant workflow is to monitor the Wunderground history page for LIMC, watch the station’s hourly progression, and compare the day’s observed maximum against the settlement bands before the 12:00 UTC cutoff.[3] Programmatically, traders would typically poll the source, cache the current max, and trigger conditional orders if the recorded temperature approaches a target band, because the only value that matters is the day’s peak, not the mean or the forecast headline. Local weather services have already highlighted July’s elevated baseline in Milan, so any late-day convective burst, sea-breeze suppression, or a shift in regional pressure patterns would matter more than the average forecast alone.[14][11]

The main catalysts are the same operational ones that move airport-temperature markets: updated hourly observations, any short-lived heat spike before noon UTC, and whether Milan remains under a broader Italian heatwave rather than a post-frontal cool-down.[10][18] Since settlement uses a specific airport station, traders should ignore city-centre anecdotes and track the exact LIMC readout, especially where runway-adjacent microclimates can differ from downtown Milan. If the station posts a high early in the day and then flattens, the market can become mechanically insensitive to later narrative changes, which is why bots and copy-trading systems usually key off the live max rather than forecast ensembles.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Review UK, which mirrors the Polymarket order book directly.

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.

FAQ

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.

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.

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.