Singapore’s Southwest Monsoon typically produces afternoon maxima near 31–32 °C, with sea-breeze moderation and localized thundery showers often capping peaks. National Environment Agency guidance issued in late July projected 33–34 °C under drier, occasionally windy conditions, yet recent model consensus and observational trends favoring modest cloud cover have shifted trader-implied probabilities toward 32 °C (53.5 %) as the leading outcome. The 33 °C band retains 35 % support if clearer skies allow stronger daytime heating. Ongoing El Niño conditions and a developing positive Indian Ocean Dipole reinforce above-average warmth, while the two-day forecast horizon limits upside to extremes above 34 °C.