Recent National Weather Service guidance and model consensus point to overnight lows near 80°F for Miami on August 5, consistent with August climatology where typical minimum temperatures range 78–81°F amid high humidity and weak steering flow. Persistent southerly winds, elevated dew points, and scattered convective activity limit nocturnal radiative cooling, keeping readings elevated relative to drier patterns. Light cloud cover or timing of showers can shift the daily minimum by 1–2°F between the closely matched 78–79°F and 80–81°F outcomes, while stronger sea-breeze convergence or clearer skies could tip either direction. No significant frontal passages or tropical influences are indicated in the next 24–48 hours, leaving trader sentiment balanced on subtle variations in boundary-layer moisture and wind.