Trader consensus clusters around 31–33°C for Guangzhou’s July 15 maximum, reflecting short-range model guidance from the China Meteorological Administration and international ensembles that show afternoon temperatures near the seasonal 33°C average but tempered by scattered thunderstorms and cloud cover expected to limit peak heating. Subtropical monsoon conditions, with high humidity and southerly flow, favor convective development that can suppress daytime highs by 1–2°C on any given day, while clearer intervals allow brief spikes toward 34°C. Recent broader heat anomalies across southern China have kept probabilities for sub-30°C outcomes low, yet the tight spread among leading bins underscores forecast uncertainty in exact convective timing and intensity over the next 48 hours.