Highest temperature in Paris on August 3?

Platform comparison

Market context

Paris-Le Bourget Airport’s **highest temperature on 3 August 2026** will be set by the day’s peak reading at the station, not by the citywide average or a nighttime minimum. A 1% crowd-implied chance of a “YES” outcome implies traders are assigning only a tiny tail risk to the relevant temperature range, which is consistent with a late-summer Paris forecast that usually centres on the low-to-mid 20s °C rather than extreme heat.[1][13][18]

The best comparable frame is recent French heat events, which have shown that Paris can briefly move far above seasonal norms when hot, dry air dominates Western Europe. France’s 2026 heatwave produced record or near-record readings in parts of the country, and reporting in late July said France was heading into a fourth heatwave of the year, showing that short-lived spikes remain plausible even in an otherwise temperate setting.[6][9][12][19] For a market like this, the main question is whether Paris-Le Bourget ends up as a modest summer day or catches the edge of a broader continental heat plume.

For traders, the key catalysts are the final local forecast updates, any heat advisories from Météo-France, and the persistence of cloud cover, wind shift, or convection on the day itself, all of which can cap the afternoon high. Market depth is also shaped by funding frictions: if deposits are easy through Klarna or SEPA, more retail can enter early; if withdrawals are slower or people prefer USDC rails, liquidity often concentrates around a smaller set of larger accounts, which can leave the book thinner and the implied probability more jumpy around forecast revisions.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in Paris 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.

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.

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).