Trader sentiment for Miami's August 8 minimum temperature centers on 78–83°F because current National Weather Service and AccuWeather guidance places overnight lows in that range amid typical mid-summer conditions. High humidity, frequent afternoon and evening convection, and variable easterly flow limit nocturnal radiative cooling, keeping temperatures near the long-term August average of 78–79°F while allowing brief spikes above 80°F under clearer skies. Scattered thunderstorms can either suppress lows through cloud cover or briefly elevate them via trapped heat and rainfall. Model consensus shows modest spread on exact timing and coverage of convection through the night of August 7–8, producing the tight clustering around the 80–81°F bin. Updated NWS forecast discussions and any tropical moisture surges remain the key near-term variables.