Highest temperature in Chengdu on August 18?

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Market context

Chengdu will experience peak summer heat on 18 August 2026, with the highest temperature recorded at Shuangliu International Airport determining the market outcome. The settlement mechanism relies on the Daily Observations table from Weather Underground rather than summary figures, a distinction that occasionally produces materially different readings when rapid temperature swings occur during the measurement window.

Historical August temperatures in Chengdu cluster between 32–36°C, with extremes occasionally reaching 37–38°C during heat waves. The city's inland location in Sichuan Province and elevation of approximately 506 metres create consistent summer conditions, though monsoon influence and cloud cover can suppress daily highs. Records from the past decade show August 18 specifically has produced readings between 33–35°C in most years, with only occasional excursions above 36°C. The 0% crowd probability suggests traders expect conditions below the lowest available range bracket, a positioning worth scrutinising against seasonal norms.

Traders should monitor China Meteorological Administration forecasts released in the week preceding 18 August, particularly any alerts for high-temperature events across central Sichuan. Typhoon activity in the western Pacific during mid-August can redirect moisture patterns northward, potentially increasing cloud cover and suppressing peak temperatures. The specific measurement protocol—using airport station data rather than urban centre readings—matters, as airport locations often record slightly lower temperatures than built-up areas. Real-time forecast updates from major weather services will clarify whether atmospheric conditions favour typical August heat or anomalous cooling.

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