Highest temperature in London on July 17?

Platform comparison

Market context

London City Airport is currently recording a maximum of 13°C on this 17 July, a figure that aligns with the crowd’s zero-percentage confidence in any higher temperature outcome for the settlement window. Historical data for mid-July in London typically sees peaks between 20°C and 28°C, yet the persistent southerly flow and 88% humidity observed today suggest a cool, stable air mass that suppresses thermal buildup [2]. Comparable cases from recent years where cloud cover and high moisture content dominated the diurnal cycle frequently resulted in daily highs remaining below 16°C, reinforcing the statistical improbability of a significant heat spike under these specific atmospheric conditions.

Traders should monitor the 12:00 UTC settlement deadline closely, as no further temperature updates will be accepted once the window closes. The primary catalyst remains the real-time Wunderground feed for EGLC, which will lock in the day’s peak reading regardless of subsequent fluctuations [1]. With the current trajectory showing falling pressure and moderate visibility, the likelihood of a sudden convective burst or clear-sky radiative heating event is negligible. Any deviation from the 13°C baseline would require an abrupt shift in wind direction or a rapid clearing of cloud layers, neither of which is forecast in the immediate outlook for the London basin.

Sources: 1 · 2

Methodology

Sports-specific comparison page for Highest temperature in London on July 17?. 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.

What are live sports odds on Polymarket?

Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.

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.

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.