Forecast models from the Met Office and regional sources indicate a likely daily maximum near 31–32 °C for Singapore on 17 August, supported by typical August climatology of 30–32 °C highs amid high humidity and scattered showers that can limit daytime heating. Recent drier conditions noted by Singapore’s NEA have allowed occasional peaks to 33–34 °C earlier in the month, yet increased cloud cover and isolated thunderstorms in extended outlooks are expected to moderate extremes. Historical station data show limited variance around these values, with 32 °C emerging as the mode traders assign the highest implied probability. Updated numerical weather prediction runs and official NEA nowcasts over the next 48 hours will refine land–sea breeze and convective timing, key variables that can shift the recorded maximum by 1 °C.