Highest temperature in Paris on June 26?

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Market context

Paris is bracing for an extreme heat dome that has already pushed the capital to record-breaking temperatures earlier this week, with forecasts suggesting mercury could top 40°C by mid-week. This underlying weather event drives the current market sentiment, where the crowd-implied probability of reaching 41°C sits at 0%, reflecting a belief that the threshold is unlikely despite the intense conditions.

Historical precedents frame this low probability, as Paris has never recorded a June high of 41°C, with the highest June temperature to date being 38.4°C just days ago[10]. While France recently set a national record of 29.8°C on Tuesday, a figure that stands as the hottest day ever nationwide, the specific leap to 41°C at Paris-Le Bourget remains an outlier compared to comparable early summer heatwaves in the region[2][4].

Traders should monitor Meteo France’s red heat wave alert status, which currently covers 54 departments and indicates temperatures will persist around the clock, as this is the primary catalyst the market is leaning on[2]. Additional dependencies include any scheduled declarations from the national meteorological service regarding the duration of the heat dome, with Euronews reporting that the capital has already broken its June record, making further escalation a critical watchpoint for settlement[10].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Paris on June 26? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

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