Singapore’s near-term forecast models and National Environment Agency guidance point to daytime peaks of 31–32 °C on 16 August, reflecting the narrow 46.5 %–42.5 % market split. Under a strengthening El Niño and Southwest Monsoon flow, reduced moisture and cloud cover have supported recent readings up to 34 °C, yet scattered afternoon convection or slight increases in humidity can readily cap the maximum one degree lower. Historical August averages hover near 31 °C, with small day-to-day differences driven by precise timing of showers, wind patterns, and station-specific urban heating rather than large-scale shifts. Updated model runs and official briefings over the next 24 hours will resolve the tight contest between these adjacent outcomes.