Current forecast models from multiple sources converge on a minimum temperature of 25–27°C for Guangzhou on August 26, driven by widespread cloud cover, heavy rainfall, and high humidity associated with the East Asian summer monsoon. These conditions suppress radiative cooling overnight, keeping lows near or slightly above the 1991–2020 climatological average of 25.3°C. Trader consensus across closely matched outcomes (centered on 26°C and 27°C) reflects remaining uncertainty in exact rainfall timing, wind speeds, and brief clear-sky windows that could allow 1–2°C additional cooling. Stronger southeasterly flow or prolonged heavy rain would favor the lower end of the range, while any model shift toward reduced cloudiness could push the minimum higher. Historical extremes below 23°C remain rare under similar late-August patterns.