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Highest temperature in NYC on July 7?

"Highest temperature in NYC on July 7?" on Polymarket, Kalshi and Is Kalshi Legal in California — what traders need to know about platform choice, KYC and tax law.

68-69°F 28% 70-71°F 28% 66-67°F 26% 72-73°F 19% Volume: $158K Liquidity: $27K Closes: 7 Jul 2026
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Highest temperature in NYC on July 7?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Kalshi Legal in California) Pick
polygram.ink (preferred broker)
28% 72% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
28% 72% 0% Geo-blocked in US/UK/EU USDC, on-chain Go to the live market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Go to the live market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Go to the live market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Go to the live market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
68-69°F28%
70-71°F28%
66-67°F26%
72-73°F19%
65°F or below4%
74-75°F3%
76-77°F0%
78-79°F0%
80-81°F0%
82-83°F0%
84°F or higher0%

Market context

The underlying event is the highest temperature recorded at New York City’s LaGuardia Airport on 7 July 2026, measured in degrees Fahrenheit and sourced from Weather Underground. With the crowd-implied probability of a YES outcome sitting at just 4%, the market currently suggests a low likelihood that the temperature will reach the specified range, though July in NYC typically sees highs between 81°F and 99°F according to AccuWeather’s monthly forecast for 2026[9].

Historically, similar heat events have defied early probability models; for instance, LaGuardia recently recorded a midnight temperature of 94°F during a heatwave, with daytime highs reaching 102°F and even 104°F at nearby stations[3][6]. These outliers demonstrate how rapid atmospheric shifts can invalidate low-probability assumptions, framing the current 4% figure as potentially fragile rather than definitive.

Traders should monitor upcoming National Weather Service forecasts and any announced heat advisories for the East Coast, as these often precede extreme temperature spikes. A recent report from FOX Weather highlighted record-breaking midnight temperatures in NYC linked to a persistent heatwave, underscoring the volatility of summer weather patterns[3]. Regulatory accessibility remains a factor: under German GlüStV rules and US CFTC reach, markets offering “no-KYC up to $1,500” allow broader participation without identity verification, though this does not alter the meteorological outcome itself.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in NYC on July 7? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.

Resolution & payout

On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.

FAQ

Is Polymarket legal in my country?
Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Is Kalshi Legal in California has a different geo footprint.
Do I need to KYC for Is Kalshi Legal in California?
Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
What happens during a tax audit?
You're responsible for documenting your trades. Is Kalshi Legal in California exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
Are prediction markets gambling?
Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
What if regulation changes?
If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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