Recent model consensus from sources including the China Meteorological Administration and global ensembles points to a peak temperature in Guangzhou on June 13 most likely falling in the 31–33°C range, explaining the tight clustering of market-implied probabilities around those outcomes. Persistent southwesterly monsoon flow is delivering elevated moisture and scattered thundery showers, which increase cloud cover, enhance evaporative cooling, and limit daytime insolation compared with clearer subtropical ridge scenarios. These conditions align with typical early-June climatology for the Pearl River Delta, where afternoon convection often caps highs near seasonal averages of 30–32°C. Updated short-range forecasts over the next 48 hours will likely refine timing and intensity of any rainfall, providing the clearest signal for whether the daily maximum settles at 32°C or shifts toward 33°C or 31°C.