Highest temperature in Madrid on July 22?

Platform comparison

Market context

Madrid’s airport reading is set to be the deciding number, and the market is already heavily skewed towards a peak in the high 30s rather than a move into the low 40s. Polymarket’s current distribution has **39°C** as the frontrunner at 77%, with **40°C** next at 21%, which implies traders see a fairly narrow outcome band around the forecast maximum rather than a broad spread.[1] A Spanish outlook published this morning put Madrid’s maximum at **39°C** with **0%** rain, reinforcing the view that the day is likely to finish hot but not dramatically beyond forecast.[2]

That pricing sits close to the centre of what July normally delivers in Madrid, where the month is typically the hottest and driest part of the year, but still leaves room for a small overshoot if the afternoon heat builds more than expected.[4] Recent coverage of the wider Spanish heat pattern has also pointed to central Spain, including Madrid, sitting in a **37–41°C** band during this spell, which is consistent with the market clustering around 39°C and 40°C rather than lower bins.[3] The key historical read is that an airport station can run a touch above city-centre forecasts on clear, still days, so a one-degree miss either side of the consensus remains the main tradeable risk.[5]

The catalysts to watch are the late-afternoon peak temperature, the persistence of cloud cover, and any updated aviation or national forecasts that suggest stronger heating than the morning outlook. The published day forecast already showed low cloud and no rain, which removes one obvious brake on maxima, while the broader heatwave setup means traders should watch whether central Spain maintains the same thermal intensity into the afternoon.[2][3] Because the market settles on the highest observed reading at Adolfo Suárez Madrid-Barajas Airport, the final outcome depends less on the full-day average than on whether the station briefly reaches 40°C before temperatures ease.[1]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Highest temperature in Madrid on July 22?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

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Can I import form data and lineups?

This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.