Highest temperature in Shanghai on August 9?

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Market context

Shanghai’s outcome will hinge on the **single highest hourly or daily observation** logged at Pudong airport on 9 August, so the market is about whether the day briefly spikes into a hotter band rather than where the afternoon settles. Current pricing at 0% YES sits against a forecast picture that is already cooler than Shanghai’s August norm: AccuWeather shows a 9 August high of 85°F with rain and strong wind, while Weather.com.cn has 29°C, and timeanddate points to 88°F with thunderstorms; all three are below the sort of mid-30s Celsius readings that would usually be needed to push the top range much higher.[2][8][3]

For context, Shanghai in August is normally hot and humid, with average highs around 87°F on AccuWeather and typical daytime maxima around 31°C on long-run travel and climate guides.[1][13] Comparable setups in the forecast models still allow a narrow heat surge if cloud breaks early or the rain arrives later, but the current run of guidance is clustered around the mid-to-high 20s Celsius to low 30s Celsius, not the upper-30s territory that would make a very hot interval likely.[4][6][7] In other words, the market is effectively pricing a rare hot outlier rather than a standard Shanghai summer day.

The main catalysts are the timing and intensity of rain bands, because thunderstorms and heavy showers can cap the daytime maximum and stop the station from reaching the higher temperature bins.[2][3][8] Traders should watch for any overnight or morning forecast upgrades from AccuWeather, Weather.com.cn, or Weather Underground’s station pages, especially if convection is delayed and winds slacken; the current guidance already flags precipitation probabilities near or above 90% in several sources.[2][5][6] If the rain arrives earlier than expected, the settlement range is likely to remain anchored in the lower bands; if it clears for even a short window, a brief spike is still the only plausible route to a higher outcome.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

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