Highest temperature in Paris on August 19?

Platform comparison

Market context

Paris is coming off a hot spell, but the market resolves on the highest observed temperature at Paris-Le Bourget Airport during the settlement window, not the headline city forecast. Recent coverage suggests a sharp cooling from mid-August heat, with one forecast putting Wednesday 19 August around 24–27°C in Paris and another showing highs near 25°C at Le Bourget, which would sit well below the levels seen during the latest heatwave when Paris was reported near 35°C and almost 40°C in the broader region.[4][7][11][14]

That history matters because these markets often price in the chance that a single hot reading arrives before midday, then fall back once cloud and showers take hold. Forecasts for 19 August point to unsettled conditions, with cloud, rain and possible thunderstorms across Île-de-France, and hourly models for Paris show temperatures peaking in the high 70s Fahrenheit rather than anything extreme. With the settlement window ending at 12:00 UTC, traders should watch the morning observations most closely: a clear start could still lift the day’s maximum, but any early rain or thicker cloud would cap the upside quickly.[4][5][7][11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in Paris on August 19?. 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 or Manifold.

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

Are prediction markets better than sports betting?

Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.

Can I bet on individual matches?

Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.

Which sports markets are available?

Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.

How fast do sports winnings settle?

Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.

What's the difference between match odds and outright odds?

Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.