**A broad low-pressure trough over southern China is driving unsettled conditions across Hong Kong through August 24, with the Hong Kong Observatory forecasting a minimum of 27°C under cloudy skies, occasional showers, and squally thunderstorms.** South to southwest winds of 4–5 (gusts to 6 on high ground) will enhance mixing and limit nocturnal radiative cooling, while high humidity (75–95%) and expected rainfall suppress temperature drops. Nearby tropical systems, including one lingering near Beibu Wan and another tracking toward eastern China, add uncertainty to shower timing and intensity, which can either enhance cooling through evaporation or maintain warmer overnight air via cloud cover and wind. This setup aligns with late-August climatology, where typical minima hover near 26–27°C amid frequent monsoon influences. Model outputs and observational trends from the past 48 hours show consensus clustering around 26–28°C, with the slight market edge to 27°C reflecting the official guidance and the moderating effects of persistent cloud and precipitation. Resolution hinges on the precise overnight minimum recorded at the Hong Kong Observatory; updated forecasts or shifts in tropical cyclone tracks could quickly adjust probabilities within the narrow 26–28°C range.