Highest temperature in Milan on August 2?

Platform comparison

Market context

Milan’s airport reading is being watched against a stubborn late-summer heat pattern, and the last 24–48 hours of market pricing have kept the focus on a very tight band around the mid-30s Celsius rather than any sharp break lower. Polymarket’s own market page shows 34°C as the leading outcome at 33%, with 35°C close behind at 27% and 33°C at 26%, which is consistent with traders reading the day as hot but still vulnerable to small swings in cloud cover, mixing, or a weak afternoon breeze.[1]

That 0% crowd-implied probability for the market’s current target range only makes sense if the market has already drifted away from the lower end of the distribution, because Milan in August normally sits closer to the high 20s Celsius than the mid-30s.[9][10][15] Recent comparable heat episodes show why traders focus on airport maxima rather than city-centre impressions: Milan has previously produced extreme readings during European heatwaves, including record-setting conditions at local stations, so an isolated hot afternoon can still push the daily high well beyond seasonal norms.[7]

The key catalysts are the same ones that will matter into the settlement window: official forecast updates, any change in the strength of the high-pressure ridge over northern Italy, and whether afternoon convection or a sea-breeze penetration trims the peak by a degree or two.[1][2] For this market, the relevant question is less whether Milan remains warm than whether the Malpensa station reaches 34–36°C before the day’s final observation is published, since the settlement source uses the highest temperature recorded for the day at that station.[1][12]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Milan on August 2? 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

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.

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.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.