Pronóstico: Highest temperature in Paris on June 28?

Platform comparison

Market context

Paris is bracing for the tail end of a historic heatwave that has pushed temperatures across Île-de-France to record levels, with Sunday 28 June expected to see highs near 35°C alongside a heightened risk of thunderstorms. While the peak of extreme heat—reaching nearly 40°C—occurred earlier in the week from Monday through Thursday, the cooling trend beginning Friday remains gradual and unconfirmed, leaving the weekend slightly milder but still volatile. This context explains why the crowd-implied probability for a “YES” outcome sits at 0%, as traders anticipate temperatures falling within a moderate range rather than exceeding the threshold for the highest bracket.

Historically, comparable cases in recent years show that June highs in Paris rarely breach 38°C, with the 2026 spring already being the warmest since 1900, averaging 13.8°C and breaking records set in 2011 and 2020. The current heatwave, which saw France record its hottest day ever at 44.3°C on June 23 and 45.9°C on June 28 at Gallargues-le-Montueux, has been unprecedented, yet Paris itself peaked at 40.9°C on June 24—the hottest June temperature ever recorded there. These figures frame the current probability as a reflection of traders expecting a dip from the peak, not a continuation of the extreme.

Traders should monitor announcements from Météo France regarding the red heat wave alert, which currently covers 54 departments, and watch for updates on storm development that could disrupt the forecast. Recent reports from Sortiraparis confirm that Sunday will wrap the week on a milder note, but the risk of thunderstorms remains pronounced, potentially lowering temperatures further. Additionally, the resolution source—Wunderground data for Paris-Le Bourget Airport—must be tracked closely, as any discrepancy between reported and actual readings could shift outcomes. The key catalyst is whether the cooling trend confirms or stalls, with the weekend’s storm risk acting as the primary variable.

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Methodology

Football-specific comparison page for Pronóstico: Highest temperature in Paris on June 28?. 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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Which sports markets are available?

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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.