Highest temperature in NYC on August 8?

Platform comparison

Market context

The key fact is that the market settles on the **highest temperature recorded at LaGuardia Airport Station** on 8 August 2026, using Weather Underground’s daily observations rather than any headline high/low summary. That matters because the current crowd-implied **0% YES** suggests traders are not treating the upper temperature bins as live, even though the available public reporting around the event shows LaGuardia near the high 80s in the afternoon and New York City’s official daily climate report already logging a 91°F maximum for 8 August at Central Park.[2][4][10]

For context, August in New York City normally supports highs in the low to mid-80s, but short heat spikes are common enough that a single station can run well above the city norm on a given day.[8][14] Recent comparable heat across the city also shows why traders need to focus on the station-specific reading rather than the broader metro impression: during the 2026 heat wave, New York City reached 100°F on 2 July, underscoring that extreme summer outcomes are possible even when forecasts are mixed.[6] In this market, the only relevant question is where the LaGuardia daily maximum ultimately lands within the offered temperature bands.[3][10]

The main catalysts were the day’s evolving station observations and any late revisions before the next day’s first datapoint, because the market rules allow temperature updates within the settlement window until the following date begins in the source data.[3] Traders would therefore have watched Weather Underground’s KLGA daily table for the final maximum, alongside the National Weather Service’s New York observations and any late-afternoon or evening convective weather that might cap or extend the high.[2][5] Forecast chatter pointed to a warm, humid setup and scattered storms in the region, which can matter at LaGuardia because cloud cover or thunderstorm outflows can shift the peak temperature late in the day.[16]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in NYC on August 8?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

UK Frequently Asked Questions

When do sports markets resolve?

Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.

What are live sports odds on Polymarket?

Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.