Official National Weather Service guidance and supporting models project Miami’s August 10 high near or slightly above the early-August climatological normal of 91 °F, with southeast flow, high boundary-layer moisture, and scattered afternoon convection expected to limit further warming. Recent observations show daily maxima of 90–92 °F under similar late-summer regimes, and July’s second-hottest ranking on record has kept trader focus on the upper end of the normal range. Market-implied odds concentrate on 92–93 °F (59.5 %) and 90–91 °F (30.5 %) because ensemble guidance shows only modest day-to-day variability and no strong heat-advection signal capable of pushing readings into the mid-90s or higher. Updated model runs and the next NWS forecast discussion will be the key near-term catalysts.