Highest temperature in London on August 2?

Platform comparison

Market context

London’s high at London City Airport depends less on the headline forecast than on whether it clears one of the nearby integer bands that settle this market. The current crowd is still at **0% YES**, but the listed Polymarket distribution is clustered around **27°C**, with **26°C** and **28°C** as the main alternates, which usually means traders see a fairly tight outcome range rather than a binary weather shock.[1]

That kind of spread has tended to matter most when the market is being funded through low-friction payment rails: deposits that clear quickly, whether by card, Klarna-style checkout, SEPA transfer, or USDC, typically support a thicker book than slower fiat funding, while withdrawal convenience can affect how long liquidity stays parked. In practical terms, the price is often set by whether fresh capital can arrive fast enough to react to short-lived forecast updates, especially when the expected maximum is only a degree or two away from adjacent settlement bands.[1]

For catalysts, traders should watch the Met Office and airport-linked forecast updates through the day, because small shifts in cloud, wind, or timing of peak insolation can move the realised maximum between neighbouring outcomes.[1] Recent UK reporting has also pointed to a warm spell with London highs around the upper 20s, including a 28°C call from one outlet and broader coverage of southern England running above seasonal norms, which supports the idea that this market is more about precise temperature placement than about whether it will be warm at all.[3][11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in London on August 2? 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

How does Klarna deposit work on Polymarket Klarna UK?

You enter the deposit amount in EUR/GBP, choose Klarna as the method, run through Klarna's standard authentication (Pay Later or Direct Bank Transfer), and Polymarket Klarna UK converts internally to USDC for the Polymarket order book. Processing: typically under 30 minutes.

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.

Can I deposit with a credit card?

Yes, Visa and Mastercard. Credit card deposits carry a ~2.5% acquirer surcharge (standard for card payments). Apple Pay and Google Pay run on the same card rails — same surcharge.