Highest temperature in NYC on July 7?

Platform comparison

Market context

On 7 July 2026, New York City will record its peak daytime temperature at LaGuardia Airport, with the market currently assigning only a 4% chance that this figure reaches the 74–75°F range. This low probability reflects a recent cooling trend behind a frontal passage that has pushed mid-70s readings into favour, as seen in the near-100% market confidence for 70–71°F on 6 July[2].

Historical precedent suggests that extreme heat in early July is rare but not impossible; LaGuardia previously hit 102°F on a record-breaking Thursday, with midnight temperatures soaring to 94°F, shattering the 2013 benchmark of 93°F[3][4]. However, such spikes typically occur during sustained heatwaves, whereas current forecasts for July 2026 show daily highs between 81° and 99°, with overnight lows of 68°–83°, indicating a more moderate pattern than the 2023 anomaly[7].

Traders should monitor upcoming weather model updates from AccuWeather and any sudden shifts in frontal movement, as these will dictate whether the heatwave re-emerges or remains suppressed[7]. The market is leaning on the absence of a declared heat emergency and the lack of campaign-finance disclosures tied to climate infrastructure, which would otherwise signal policy-driven temperature interventions. No major political conventions or scheduled debates are expected to influence local weather patterns directly, making meteorological data the primary catalyst[9].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in NYC on July 7? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

Can prediction markets influence election outcomes?

Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.

How fast do political markets react to news?

High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.

Are political prediction markets legal in my country?

It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.