Highest temperature in NYC on July 7?

Platform comparison

Market context

On 7 July 2026, the LaGuardia Airport Station will record its highest daytime temperature in degrees Fahrenheit, a real-world event that determines the outcome of this prediction market. The current crowd-implied probability of 3% for a YES outcome suggests traders believe extreme heat is unlikely, yet recent patterns challenge that assumption. In the past, LaGuardia has shattered records during East Coast heatwaves, reaching 102°F on a Thursday and 94°F at midnight, breaking the 2013 record of 93°F[1]. July 2026 forecasts indicate daily highs between 81°F and 99°F, with overnight lows from 68°F to 83°F, while historical averages rarely exceed 93°F[4][7]. However, the station recently hit 104°F, surpassing its 1966 peak of 101°F, proving that extreme spikes are possible even when averages suggest moderation[8].

Traders must monitor upcoming heatwave announcements and operational schedules, as dependencies like airport constraints often signal rising temperatures. Delta Air Lines has already issued warnings about hot weather compounding with operational limits at LaGuardia, noting fare differences may apply for rebooked travel after 7 July 2026[5]. Recent news confirms LaGuardia recorded its highest midnight temperature ever at 94°F during a persistent heatwave, with AAA reporting over 71 million travellers affected by extreme East Coast heat[2][6]. The market’s traction correlates directly with funding flows from payment on-ramps; deposit fees and withdrawal rails via Klarna, SEPA, and USDC drive book depth, meaning liquidity surges when traders anticipate weather-driven volatility. Watch for National Weather Service updates, as current conditions show light rain and fog at 67°F, but rapid shifts could push temperatures toward the record-breaking range[9].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in NYC on July 7? 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

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 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.

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).

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.