**Forecast models for Miami on August 5 point to a high in the upper 80s to low 90s Fahrenheit, driven by typical mid-summer atmospheric conditions with moderate instability, high humidity, and afternoon sea-breeze convergence favoring scattered thunderstorms.** These storms often develop after peak heating, moderating maximum temperatures through cloud cover and evaporative cooling. National Weather Service guidance and ensemble runs show consensus around 88–91°F, consistent with August climatology where Miami’s average daily high is near 88–90°F. Recent days have featured similar patterns with isolated to scattered convection, supporting the market’s heaviest volume on the 88–89°F and 90–91°F bins. Updated model runs and any shifts in steering flow or moisture will be the key near-term variables before resolution.