Recent forecasts from multiple models indicate a high of 22–23°C for Shanghai on October 5 under partly cloudy skies and moderate northerly winds associated with building high pressure. This autumnal pattern follows recent rainfall and supports modest daytime warming without strong southerly advection or clear-sky radiative heating that could push temperatures higher. Ensemble guidance shows tight clustering around these values, with limited spread due to stable steering flow and no significant frontal passages expected. Trader consensus heavily favors 23°C as the most probable maximum, reflecting alignment between current observations, climatological baselines for early October, and the absence of factors that would support 24°C or warmer outcomes.