Highest temperature in NYC on July 15?

Platform comparison

Market context

New York City is bracing for the peak of a historic East Coast heatwave that has already shattered long-standing temperature records across the region. On 4 July 2026, the city, Washington DC, and Atlantic City simultaneously broke records that had stood for up to 154 years, with millions exposed to extreme heat during a holiday weekend [2]. This unprecedented thermal event suggests that mid-July 2026 will likely feature temperatures far exceeding typical seasonal averages, making the current 0% crowd-implied probability for any specific high-temperature range on 15 July appear statistically misaligned with recent meteorological reality.

Historical data from LaGuardia Airport indicates that July highs usually cluster between 85°F and 95°F, yet the 2026 heatwave has pushed readings significantly higher, with July 14 already settling at 92–93°F in adjacent prediction markets [3]. The 0% probability assigned to outcomes above this range ignores the sustained atmospheric conditions driving the current anomaly, where record-breaking heat has persisted across a 500-mile corridor [2]. Traders should monitor daily Wunderground updates for LaGuardia specifically, as the settlement source relies on the highest recorded temperature at that station for all times on 15 July [2].

Key catalysts include the continuation of the heat dome over the Northeast and any official National Weather Service advisories issued for the region [1]. With the settlement window closing at 12:00:00Z on 15 July 2026, the market must resolve based on the actual peak temperature recorded before that deadline. Given the momentum of the current heatwave, the probability distribution should reflect a higher likelihood of temperatures exceeding 93°F, contrary to the current market pricing.

Sources: 1 · 2 · 3

Methodology

Sports-specific comparison page for Highest temperature in NYC on July 15?. 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

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.

Which sports markets are available?

Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.

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.