Highest temperature in Shanghai on August 3?

Platform comparison

Market context

Shanghai’s highest temperature on 3 August will be set by the single warmest reading at Pudong airport, so the market is really about whether the day peaks in the low 30s °C, or gets pushed higher by a hot, humid spell. Current forecast pages for early August 2026 cluster around a high of about 32–35°C for Shanghai, with rain or thunderstorms also in the mix, which usually caps extreme heat but does not eliminate brief spikes.[1][2][4][6]

The historical framing points to a warm-climate city where August commonly sits near the upper 20s to low 30s °C, with humidity and rainfall frequent enough to make the exact daily high sensitive to timing rather than just seasonal average.[1][4][11][18] That matters for a market priced at 0% YES: the crowd is effectively saying the airport will not post an unusually high maximum, but Shanghai’s August distribution still leaves room for a mid-30s outcome if sunshine dominates for part of the day.[4][10][15] In practice, this sort of contract is often driven by funding flows more than conviction, because small deposits, low card friction, and fast on-ramps such as Klarna or SEPA can pull in retail volume, while USDC withdrawals can help keep capital rotating back into the book rather than stranded off-platform.

For traders, the main catalysts are the day’s evolving forecast, typhoon or thunderstorm advisories, and any change in cloud cover or rain timing over the airport area. The Hong Kong observatory’s regional bulletin issued on 2 August put Shanghai at 29–37°C and cloudy, which is warmer than some consumer forecast pages and shows how late revisions can matter.[5] By the settlement window, the key dependency is not the city average but the actual airport maximum captured by Wunderground, so late-morning heat, short-lived sun breaks, or convective showers can all change the realised figure.[5][17]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in Shanghai on August 3? 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.

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.

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).

Are payment details protected?

Yes. Card and bank details are never stored by Polymarket Klarna UK — they pass directly through PCI-DSS compliant payment service providers (Adyen, Stripe). Polymarket Klarna UK retains only transaction IDs and Klarna reference numbers for reconciliation.