Singapore's Southwest Monsoon and developing El Niño conditions are sustaining drier-than-average weather with prevailing southeasterly winds, keeping typical nighttime minimums near 25–27 °C through late August. The closely matched market odds around 26–28 °C reflect uncertainty in nocturnal radiative cooling, which depends on variable afternoon cloud cover, humidity levels that trap heat, and the strength of land-sea breezes that can either enhance or limit mixing. Clearer skies under the drier regime could allow temperatures to dip toward 25 °C or below, while increased moisture or showers would hold minima near 27–28 °C. Official forecasts from the Meteorological Service Singapore emphasize these short-term variables, with updated model runs likely to refine odds before August 23 resolution.