**Ongoing southwest monsoon activity, with a trough line over central and eastern Uttar Pradesh, is sustaining widespread cloud cover, high humidity (80–91%), and spells of rain or thundershowers over Lucknow.** This pattern limits nighttime radiative cooling, supporting minimum temperatures near 26–27°C on August 27. India Meteorological Department forecasts list a 27°C minimum for the day under overcast-to-generally cloudy skies with one or two thundershower spells, consistent with recent observations of 26–27.4°C lows amid 1–27 mm of rainfall and minimal diurnal temperature swings. International models align closely, projecting overnight lows around 26.7–27°C (roughly 80°F). **Key variables that could shift the outcome within the tightly contested 24–27°C band include the precise timing, intensity, and duration of overnight showers plus any brief reductions in cloud cover.** Persistent moisture and light northeasterly winds favor the upper end of that range by trapping heat, while any temporary clearing could allow modest cooling toward 24–25°C. Updated IMD model runs and evening observations on August 26 will provide the clearest signal ahead of resolution.