Highest temperature in NYC on August 15?

Platform comparison

Market context

Late-summer heat in New York on 15 August sat in the mid-80s Fahrenheit at LaGuardia, with the official National Weather Service climate report showing a maximum of 83°F by late afternoon and a prior daily peak of 86°F in the afternoon Weather Underground history table. That points to a market anchored in a fairly normal August outcome rather than an extreme temperature print, which helps explain why the crowd has marked it at 0% YES.

For traders, the main angle is not the weather itself but how easily funds reach the book. In practice, deposits that clear quickly, low-friction withdrawal rails, and stable on-ramp options tend to support deeper markets than slower bank transfers or higher-fee card routes. Klarna-linked checkout, SEPA transfers, and USDC funding all matter here because each changes how fast capital can arrive, settle, and recycle back out. Where on-ramp costs are low and withdrawals are predictable, liquidity usually thickens around short-dated weather markets.

The key catalyst is the final observation at LaGuardia and whether the Daily Observations table later shows a higher afternoon reading than the headline summary. Weather Underground’s history page is the stated resolution source, so any late update or correction in that table matters more than the displayed Day High & Low figure. By settlement time, attention should be on the latest station observations rather than forecasts, since the market resolves off the recorded maximum, not expected heat.

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Methodology

This page compares Highest temperature in NYC on August 15? 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).

UK Frequently Asked Questions

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.

Can UK traders use Klarna to deposit on Polymarket?

Polymarket does not natively accept Klarna. To fund a Polymarket account from the UK, you must first purchase USDC via a crypto exchange (Coinbase UK, Kraken) or Revolut, then transfer to a Polygon-compatible wallet. Some third-party on-ramps (MoonPay, Transak) accept UK debit cards and may support Klarna buy-now-pay-later for crypto purchases.

What payment methods can UK users use for Polymarket?

UK traders typically use: (1) Coinbase UK or Kraken — buy USDC with GBP debit card or bank transfer; (2) Revolut — buy crypto and send to wallet; (3) MoonPay or Transak — Visa/Mastercard UK debit card directly to USDC on Polygon. Standard GBP-to-USDC conversion fees range from 0.5–2.5%.

How long do Polymarket withdrawals take for UK users?

Polymarket withdrawals to your Polygon wallet are instant (on-chain). Converting USDC back to GBP via Coinbase UK or Kraken typically takes 1–3 business days for bank transfer, or near-instant for Revolut. Polygon gas fees are minimal (<$0.01 per transaction).