Singapore's minimum temperatures in late August are shaped by persistent southwest monsoon conditions, which typically produce overnight lows of 25–27°C amid high humidity and scattered thundery showers. Recent National Environment Agency guidance highlights warmer nights above 27°C on multiple days, reduced rainfall relative to average, and fair, occasionally windy intervals that can limit radiative cooling. These factors keep most model consensus centered near the historical baseline of roughly 26°C, while short-term variability from cloud cover, localized showers, and urban heat retention introduces modest uncertainty around the exact minimum. With resolution just two days away, updated model runs and official daily forecasts will be the key catalysts for any shifts in trader-implied probabilities.