National Weather Service forecast models position a daily maximum near 89–91°F as the leading outcome for Miami on August 7, reflecting a persistent Bermuda high that favors light steering flow, high humidity, and limited afternoon convection under typical early-August subtropical conditions. Heat index values near 103–104°F underscore strong moisture but cap extreme surface heating, while isolated thunderstorms may briefly suppress peaks. Recent model runs show tight clustering around this range, consistent with climatological August averages of 87–90°F and the absence of strong cold fronts or tropical systems. Trader consensus assigns over 80% implied probability to 88–91°F bins, aligning with official guidance that accounts for sea-breeze moderation and model uncertainty in timing of any showers.