Highest temperature in London on August 11?

Platform comparison

Market context

On 11 August 2026, London City Airport's weather station will record a daily maximum temperature in Celsius, and this market resolves to whichever temperature band contains that figure. The resolution hinges on Weather Underground's Daily Observations table rather than their summary high-low display, a distinction that matters when automated sensors and manual readings diverge—a common occurrence at UK airports where instrument calibration and reporting lag can shift recorded peaks by tenths of a degree.

Historical August temperatures at London City Airport cluster between 20 and 27 degrees Celsius, with extremes reaching 28–29 degrees on rare occasions. The 0% crowd probability suggests traders expect the market's upper threshold to sit below any plausible August reading, making this effectively a certainty bet once the range is specified. Previous weather markets on this platform have shown that crowd confidence in temperature bands tightens sharply within 72 hours of settlement, as forecast models converge and actual conditions become observable.

The Met Office publishes extended forecasts roughly 10 days ahead, with meaningful updates arriving five days before the event. Traders should monitor late-July and early-August weather patterns—particularly Atlantic pressure systems and jet stream positioning—which determine whether August 11 falls within a typical warm spell or cooler-than-average period. The UK's summer 2026 trajectory, shaped by sea surface temperatures and solar activity, will establish baseline expectations; any unusual heat dome or cool front in early August would shift the probability distribution materially.

Methodology

Entertainment-specific comparison page for Highest temperature in London on August 11?. Polymarket's live quote (Polygon order book) shows the award probability. For awards markets, Polymarket usually has the deepest liquidity; Betfair runs comparable markets for Oscars/Emmys; Manifold for Eurovision.

Resolution & payout

Entertainment markets settle on official award ceremony or show end. Polymarket uses UMA Optimistic Oracle with a source URL to the official award website. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

How accurate are award predictions?

Variable. Industry-predictable awards (Oscar Best Picture) have high market accuracy (Brier ~0.15). Reality-TV outcomes with small markets carry more noise. Eurovision is notorious for market upsets due to bloc voting.

What was the top Oscar 2025 market?

Best Picture, with ~$2.8M volume on Polymarket. "Anora" started as an underdog at ~8% and closed at ~62% before the ceremony — the biggest single Oscar market swing since 2019.

Who can trade Eurovision markets?

Polymarket is globally accessible but geo-blocked in select jurisdictions — traders there use broker frontends with a different geo footprint to reach the order book. Eurovision markets have strong European liquidity; German/Austrian/Swiss flow often drives consensus.

Are there politics-entertainment crossover markets?

Yes — e.g. "Will X be parodied on SNL?", "Who will host the next Oscars?". These have thinner liquidity but offer alpha for traders who read pop-culture and political worlds together.

Is entertainment trading worth the effort?

Niche, but lucrative for experts. Award markets have fewer informed traders than political markets; combining industry expertise (film, music) with active research often surfaces mispricings. Volume cap: large bets move the market.