Highest temperature in London on June 10?

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Market context

On 10 June 2026, the highest temperature recorded at London City Airport will fall into one of several defined ranges, with settlement determined by historical data from Wunderground. The market currently shows 0% probability across all temperature brackets, suggesting either extreme uncertainty amongst traders or a technical artefact in how conditional tokens are priced on Polygon. USDC holders can enter positions across multiple ranges simultaneously, hedging against the full distribution of possible outcomes rather than betting on a single threshold.

London's June temperatures have historically clustered between 18°C and 24°C, with occasional spikes to 27–28°C during warm spells. The record high for June at or near London City Airport sits around 32°C, set during the 2022 heatwave. The 0% crowd probability likely reflects the market's youth and thin liquidity rather than genuine consensus that no temperature will be recorded; comparable weather markets on Polymarket typically show meaningful probability mass once traders begin accumulating positions.

The UK Met Office publishes five-day forecasts roughly a week ahead, with updates becoming more granular as June 10 approaches. Spring 2026 weather patterns and any Atlantic blocking systems will shape whether the day trends cool or warm. Traders should monitor late-May forecasts and any official heatwave alerts issued by the Met Office, which would shift expectations materially. Settlement hinges entirely on Wunderground's historical data feed for EGLC station, making data availability and station continuity the only operational risk to resolution.

Methodology

This page reviews Highest temperature in London on June 10? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Scam? — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Polymarket Scam? is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on Polymarket Scam??

Zero. Polymarket Scam? routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Scam? triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.