Highest temperature in NYC on July 6?

Platform comparison

Market context

The underlying event is the peak daily temperature recorded at LaGuardia Airport on 6 July 2026, which will determine the settlement of a prediction contract resolved via USDC. Current crowd-implied probability for a "YES" outcome sits at 0%, suggesting the market expects the temperature to fall outside the defined range, despite a recent, intense heatwave on the East Coast that pushed LaGuardia to 104°F on 2 July 2026[6]. Historical precedents frame this low probability; for instance, LaGuardia reached 102°F on a previous Thursday, with midnight temperatures hitting a record 94°F, breaking the 2013 record of 93°F[2][3]. Such extreme volatility, where daytime highs exceed 100°F and night-time lows remain near 94°F, indicates that a 70–71°F range is statistically improbable, aligning with the 75% market assignment to that specific outcome on Polymarket[1].

Traders must monitor the National Weather Service climate summaries for LaGuardia, specifically the daily high and low deviations against the 1991–2020 normal period[9]. The primary catalyst is the persistence of the current heatwave, which has already tied record highs at JFK and Bridgeport, with temperatures reaching 100°F at midday on 2 July[7]. Any shift in macro conditions, such as a sudden influx of cooler Atlantic air or a change in funding rates for weather-related derivatives on crypto exchanges, could alter the settlement price. Whale flows into climate contracts on platforms like Robinhood, which track daily temperature lows for LaGuardia, may signal institutional confidence in a temperature drop before the 2026 settlement window closes[4]. The resolution source remains Wunderground data, ensuring on-chain mechanics align with real-world weather telemetry.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads Highest temperature in NYC on July 6? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

What are crypto prediction markets?

Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.

Can I use Bitcoin directly?

No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.

How does UMA secure the resolution?

The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.

Which crypto markets exist on Polymarket?

Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.

Are crypto prediction markets taxable in the US?

In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.