Highest temperature in NYC on July 9?

Platform comparison

Market context

The real-world event is a record-breaking heatwave that struck the northeastern United States over the July 2026 holiday weekend, with LaGuardia Airport hitting 104°F on July 3, shattering a 60-year record by three degrees[1]. This unprecedented surge, which killed 29 people in New Jersey and set simultaneous records across a 500-mile corridor, establishes a new baseline for extreme summer temperatures in the region[1]. Historical comparables like the 1966 peak of 101°F are now obsolete, suggesting that a 0% probability for a specific lower range is likely mispriced given the atmosphere's current volatility and the recent trend of breaking century-old norms[1][9].

Traders must monitor the official daily high reported by Weather Underground for LaGuardia Airport (KLGA) on July 9, 2026, as the settlement window closes at noon UTC[4]. The lingering heat from the previous week, which saw midnight temperatures reach 94°F at the airport, indicates that thermal retention is unusually high, potentially pushing daytime highs beyond standard forecasts[2][7]. While AccuWeather projects daily highs between 73°F and 91°F for July, the recent 104°F spike suggests these models may underestimate the intensity of the current system[8]. Watch for any sudden shifts in wind patterns or cloud cover that could moderate the temperature, though the prevailing trend points toward sustained extremes[2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in NYC on July 9?. 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.

FAQ

Are prediction markets better than sports betting?

Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.

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.

Can I bet on individual matches?

Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.

How fast do sports winnings settle?

Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.

What's the difference between match odds and outright odds?

Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.