Highest temperature in London on August 5?

Platform comparison

Market context

London City Airport’s daytime maximum will be decided by how much heat builds before midday and whether any late cloud or a weak frontal passage clips the peak. The market is currently pricing a tight band around the mid-20s, with 25°C and 26°C the joint favourites and 24°C still a live outcome, which fits the usual short-range uncertainty in a summer London forecast rather than a broad temperature distribution.[1]

That 0% crowd view looks hard to defend against the recent pattern. London has already seen warm conditions this week, with forecasts and live weather roundups repeatedly pointing to highs around 25°C on 5 August, and some outlets even nudging the figure a little higher depending on sunshine and cloud timing.[3][17] The broader summer backdrop has also been warm enough to keep upper-20s outcomes plausible, with recent reporting noting a 26.6°C reading at Kew Gardens as the hottest day of 2026 so far and Met Office commentary describing a season that has produced notable warm spells across southern England.[12][16]

For traders, the key catalysts are the morning forecast updates, any change in cloud cover or wind direction, and whether the airport sees the same warmth as inland London or a slightly softer coastal influence. The market resolves on the highest temperature recorded at London City Airport Station for the day, so a brief sunny spell before noon can matter as much as the broader daily mean; revisions are only counted until the next day’s first datapoint appears.[1] Any shift from sunshine to thicker cloud in the latest forecast runs would weigh against 26°C, while a clearer, drier outlook would strengthen it.[3][17]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Highest temperature in London on August 5?. 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

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.

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.

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.