Highest temperature in London on June 13?

Platform comparison

Active sub-markets

Market context

On 13 June 2026, the highest temperature recorded at London City Airport Station will determine which range this market resolves to. The settlement window closes at midday UTC, capturing the peak daily temperature from that calendar date as reported by Weather Underground's historical records for the EGLC station.

London's June temperatures typically range between 18°C and 24°C, though heat waves can push readings into the high 20s or low 30s. The 0% crowd probability suggests traders are either uncertain about the specific range brackets available or expect moderate conditions rather than extremes. Historical June data from City Airport shows that temperatures exceeding 28°C occur roughly once every three to four years during this month, whilst readings below 15°C are rare. The station's urban location near the Thames and proximity to built infrastructure creates a microclimate slightly warmer than surrounding areas.

Traders should monitor long-range weather forecasts from the Met Office and European models as June 2026 approaches, particularly any signals of high-pressure systems or Atlantic weather patterns that could drive temperatures upward. Seasonal climate patterns—including the North Atlantic Oscillation phase and soil moisture conditions across the UK—will influence whether conditions favour typical early-summer temperatures or anomalous heat. The settlement mechanism relies entirely on Weather Underground's historical archive for the specific station, so traders should verify the data source's accessibility and consistency before committing capital.

Methodology

This page reviews Highest temperature in London on June 13? 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 Sport 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 Sport 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 Sport Prediction?

Zero. Sport 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, Sport Prediction triggers a quick verification flow that finishes in minutes.