Traders assign the highest implied probability (39.5%) to a 32°C peak in Hong Kong on August 25 because official Hong Kong Observatory forecasts and numerical weather models indicate a classic late-summer monsoon trough pattern: southwest winds of 10–20 km/h, humidity 70–90%, and scattered thundery showers that reduce insolation and cap afternoon temperatures near the August climatological average of 31.1°C. Recent model runs show only modest warming potential during brief clear intervals before convection develops, creating tight clustering around 31–33°C outcomes. The narrow spread between 31°C (30.5%) and 33°C (22.4%) reflects uncertainty in shower timing and coverage, while lower and higher extremes remain low-probability given current steering patterns and moisture. Resolution depends on the official headquarters maximum.