Highest temperature in Beijing on July 5?

Platform comparison

Market context

Beijing’s summer heat on July 5 is a well-documented climatic reality, with daily highs typically hovering around 31°C (88°F), rarely dipping below 26°C or exceeding 35°C. Historical data confirms that July 5 has frequently seen temperatures surpass 30°C; notably, on 5 July 2010, the city recorded 42.1°C at the Capital International Airport station, the hottest day in over a decade of records[6]. Even in recent years, such as 2023, Beijing experienced peak July temperatures of 40°C, underscoring that a 30°C threshold is not an outlier but a standard expectation for this date[4]. The current crowd-implied probability of 0% YES for hitting 30°C appears starkly misaligned with both climatology and past extremes, suggesting a market error rather than a genuine forecast.

Traders should monitor real-time weather updates from Wunderground, the official resolution source, which will publish the day’s highest temperature for the Beijing Capital International Airport Station[9]. While no scheduled political debates or campaign-finance disclosures directly influence temperature, broader climate anomalies—such as China’s record-hottest July in 2024, when average temperatures reached 23.21°C—may signal intensified heatwaves this year[5]. The market is leaning on immediate meteorological data rather than political catalysts; a Reuters report confirms that China’s recent heat records are driven by persistent high-pressure systems and humidity, not policy shifts[5]. With settlement ending 2026-07-05T12:00:00Z, the only decisive factor is the Wunderground reading, which historically almost guarantees temperatures above 30°C on this date.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Highest temperature in Beijing on July 5? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

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.

Which platform has the deepest political liquidity?

Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.

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.