Highest temperature in San Francisco on August 5?

Platform comparison

Market context

San Francisco’s hottest reading on 5 August is tied to the maximum recorded at **KSFO**, and the market will settle off the Weather Underground history page for that airport station. With the current crowd pricing spread across the low-70s Fahrenheit bins and the **0% YES** reading pointing to the least-likely extreme outcome, the book is effectively saying traders expect a modest summer top rather than a late-day spike.

That framing matters because San Francisco’s August climate is usually stable: long-run normals put daytime highs around the low 70s Fahrenheit, and monthly forecast pages for August cluster near that level rather than in the mid- or upper-70s. Comparable temperature markets on Bay Area days tend to concentrate liquidity around adjacent bins, since a one- or two-degree shift can move the settlement band without changing the broader weather regime.[2][13][18]

The main catalysts are the forecast updates and any heat advisories covering the Bay Area, especially if a broader California warm-up pushes inland heat westward. The San Francisco Chronicle reported that a prolonged heat wave was expected to begin on Friday with a second peak later in the week, and the National Weather Service also flagged elevated heat risk for parts of the region around 5-8 August.[17] For traders, the practical edge is less about the headline high itself than about funding friction: deposits that clear quickly, low-fee on-ramps such as **Klarna**, **SEPA**, or **USDC**, and withdrawal speed can determine whether book depth thickens before the weather narrative fully reprices.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in San Francisco on August 5? 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.

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.

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).