Pronóstico: Highest temperature in London on July 7?

Platform comparison

Market context

On 7 July 2026, the London City Airport Station will record its peak temperature for the day, a single metric that determines whether the market resolves to a specific Celsius range. The current crowd-implied probability of 0% YES suggests traders believe the temperature will fall outside the defined range, likely below the threshold. This stance aligns with historical patterns where July highs at this station typically hover around 22–24°C, with the hottest month averaging 72°F (22°C) [4]. While London has seen extreme spikes—such as the provisional 40.2°C recorded at Heathrow in July 2022 [7]—these are rare outliers not representative of London City Airport’s usual climate, making a 0% probability a rational read of comparable cases.

Traders should monitor real-time atmospheric shifts, particularly southerly wind flows and falling pressure systems that could elevate temperatures unexpectedly. Current observations show 13°C with 88% humidity and falling pressure at 1012mb, conditions that typically suppress peak highs [1]. However, forecast models indicate a potential rise to 31°C by evening [2], a dependency that could alter the settlement outcome if sustained. Watch for Met Office updates on maximum “feels like” temperatures, which recently reached 28°C [5], and Wunderground’s hourly logs for the day’s definitive peak. Any sudden shift in wind direction or cloud cover could act as the catalyst moving the line, so continuous tracking of the station’s live data is essential before the 12:00 UTC settlement window closes.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Pronóstico: Highest temperature in London on July 7?. 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

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.

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.