Highest temperature in London on July 22?

Platform comparison

Market context

London City Airport is currently at **13°C**, with southerly winds of 8 mph, high humidity and falling pressure, which points to a fairly subdued daytime profile rather than a late surge in heat.[1] In a market settled on the highest temperature recorded at the station during the day, that kind of live reading matters because it leaves little room for a dramatic upside move once the afternoon warm-up has passed.

A **0% YES** price is only easy to justify if traders believe the day’s maximum has effectively already been set, or that the remaining hours are unlikely to lift temperatures into any higher band. For a July London reading, the main comparable case is a cool, cloudy, or breezy day where the peak sits close to the low-to-mid teens rather than the more typical summer ranges; in that setup, the exact intraday timing of the maximum is more important than the headline weather at settlement.

The main catalysts are the next temperature update, any shift in cloud cover or wind direction, and whether the airport’s observation cycle produces a small late-day uptick before 12:00 UTC. Because the market resolves from the London City Airport Station history page, traders will be watching the station-level maximum rather than broader London forecasts, and any short-lived clearing could still move the eventual band even if the current temperature looks stable.[1]

Sources: 1

Methodology

Sports-specific comparison page for Highest temperature in London 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 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

When do sports markets resolve?

Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.

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.

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.

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.