Highest temperature in Shanghai on August 5?

Platform comparison

Market context

Shanghai’s peak temperature today will be set by the daytime heat at Pudong Airport, with the key question whether the reading tops out in the low, middle or upper 30s Celsius before the daily cycle rolls over. Forecasts for Shanghai point to a very hot early-August setup, with AccuWeather showing highs around 90°F to 92°F across the first week of the month and other services clustering the day at roughly 34°C to 35°C, which is consistent with a market sitting near the 33°C-34°C band rather than extreme outcomes.[1][3][4][10]

The historical frame is straightforward: Shanghai’s August climate is normally hot and humid, with average highs around 31°C to 32°C, but individual days often push above that on strong sunshine and subsiding rain bands.[1][4][9][14] That makes the crowd’s 0% pricing for a “YES” outcome look like a thin tail rather than a live base case, because the settlement depends on the single highest airport reading, and small shifts in cloud cover, showers or sea-breeze flow can easily move the final maximum by 1°C to 2°C.[3][9][14]

For traders, the main catalyst is the intraday forecast mix: whether Shanghai remains under the subtropical heat ridge long enough to produce a 34°C-plus peak, or whether scattered rain and cloud suppress the airport maximum into the low 30s.[3][10][15] The market should also track the Wunderground daily history page around the close of the settlement window, because the resolution will depend on the highest observed temperature at Shanghai Pudong International Airport Station on 5 August 2026, not on city-wide averages or alternate stations.[10]

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 Shanghai on August 5? 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

What resolution source is used for elections?

Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.

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.