Highest temperature in London on July 26?

Platform comparison

Market context

London's highest temperature on 26 July 2026 will be measured at City Airport Station and resolved against historical Weather Underground data. The settlement window closes at midday UTC, meaning traders must account for morning readings and any heat spike before noon. Given the market's 0% implied probability across all temperature bands, the book appears either illiquid or awaiting deposit flows to establish baseline pricing. Liquidity constraints often suppress early probability signals in weather markets; once SEPA transfers or Klarna on-ramps settle funds into the platform, order-book depth typically follows within 48–72 hours of the event window opening.

London's July temperatures have ranged from 19°C to 40.3°C (recorded in 2022) over the past two decades. The 26th falls mid-summer, when afternoon highs typically cluster between 22–28°C under normal Atlantic weather patterns. Traders should monitor Met Office forecasts and European weather models released 7–10 days before the settlement date; a high-pressure system stalling over the UK would shift the distribution materially upward. Recent summers (2023–2024) saw fewer extreme heat events than 2022, though withdrawal rails and fee structures on the platform may influence whether traders commit capital to low-probability tail outcomes.

Methodology

This page compares Highest temperature in London on July 26? with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.

Resolution & payout

Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).

FAQ

What does SOFORT cost as a deposit method?

Polymarket Klarna UK charges no fees for SOFORT. The only cost is the internal FX spread (typically <1%) on EUR→USDC conversion. SOFORT itself has no end-user fees — the platform absorbs acquirer costs.

Which payment methods are supported?

Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.

How fast is SEPA deposit?

SEPA Instant: under 10 seconds. SEPA Standard: 1-2 business days. Both accepted fee-free; the internal USDC conversion runs automatically once EUR lands in the platform account.

What's the minimum deposit?

10 EUR / 10 USD equivalent. No upper limit, but deposits over $1,500 lifetime volume trigger a quick KYC flow (typically 5-10 minutes).

How do withdrawals work?

Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).