Highest temperature in London on June 10?

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Market context

London's highest temperature on 10 June 2026 will be measured at City Airport Station and resolved against historical weather records from Wunderground. The settlement window closes at midday UTC, capturing the full diurnal cycle through morning and afternoon hours when peak temperatures typically occur.

June temperatures at London City Airport have historically ranged between 18°C and 28°C during the second week of the month, with the 30-year average high around 21–22°C. Anomalously warm days exceeding 25°C occur roughly once every three years during this period, whilst readings above 28°C remain uncommon for early June in the capital. The 0% crowd probability suggests traders are pricing in either conservative expectations for typical seasonal conditions or uncertainty about which specific temperature bracket the market offers as resolution options.

The primary variable affecting settlement is the Atlantic weather pattern in early June 2026, particularly whether high-pressure systems establish over the British Isles or whether Atlantic low-pressure systems dominate. Traders should monitor Met Office seasonal outlooks released in May 2026 and real-time forecast models from mid-May onwards, which typically show reliable skill for 10–14 day predictions. Overnight lows and cloud cover on 9 June will also influence how efficiently solar radiation warms the surface on the resolution date.

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 Champions League Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Champions League Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Champions League Prediction?

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

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Champions League Prediction triggers a quick verification flow that finishes in minutes.