Persistent warm, humid conditions under subtropical high pressure have driven NOAA National Weather Service forecasts for an overnight low near 82°F in Miami on August 15, supporting the market's 98.5% implied probability for the 82–83°F bin. Recent observations and model guidance show limited nocturnal cooling, with dew points in the low 70s and light easterly flow preventing significant radiational losses, consistent with August climatology where average lows hover near 78–80°F. Trader consensus reflects this stability, as ensemble runs exhibit narrow spreads absent major pattern shifts. A stronger sea breeze, unexpected convective rain, or brief clear-sky radiative cooling could push readings into the upper 70s, though such deviations remain low-probability given current steering patterns.