Highest temperature in NYC on July 8?

Platform comparison

Market context

An extreme heatwave is currently gripping the East Coast, with LaGuardia Airport already recording a daily high of 102°F on 4 July 2026, shattering previous records for the station [1][3]. This intense thermal event has pushed midnight temperatures to 94°F, the highest ever observed at the location at that time, indicating a persistent and severe heat anomaly rather than a fleeting spike [2][5]. The current 0% crowd-implied probability for higher temperatures on 8 July appears to contradict the established trajectory of this multi-day event, which has broken records across 21 states since Wednesday [3].

Historical data suggests that once such a record-breaking heat dome establishes, daily highs often remain elevated for several days before a significant cooldown occurs. LaGuardia’s all-time highest recorded temperature is 102°F, set on 2 September 1953, but the station has recently hit 101°F on 3 July 2026, just days ago [10]. Given that the peak of the heat is still forecast for the Mid-Atlantic region, the likelihood of temperatures exceeding the recent 102°F mark on 8 July is non-negligible despite the market’s current pricing [3].

Traders should monitor the National Weather Service’s daily climatological reports and real-time updates from Wunderground, the official resolution source, for any shifts in the heat dome’s intensity [4]. The settlement window closes at 12:00 UTC on 8 July, meaning the final reading depends entirely on the peak temperature recorded before that cutoff [1]. Any announcement of a breaking heat record or a sudden shift in wind patterns from the Atlantic could act as a decisive catalyst for price movement in the coming hours [6].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

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

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.

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.

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.