Traders see the highest temperature in Chengdu on August 16 clustering tightly around 31–33°C because short-range forecast models show only modest differences in daytime cloud cover, humidity, and timing of any showers. Chengdu’s subtropical climate features high moisture from the East Asian monsoon, which can suppress peaks through evaporative cooling or allow brief spikes above 34°C under clearer skies and stronger solar heating. Historical August averages place daily maxima near 30–32°C, with occasional excursions to 35°C driven by the Western Pacific Subtropical High; current ensemble guidance places the most likely outcome near the historical median while acknowledging typical model spread of ±2°C two days out.