Recent National Weather Service forecasts for Miami on October 5 project a mostly sunny day with highs near 88°F and a 30-50% afternoon thunderstorm chance under southeast winds of 5-10 mph, consistent with early October climatology of warm, humid conditions and sea-breeze driven convection. Model consensus and recent observations from KMIA show daily maxima in the mid-to-upper 80s amid stable atmospheric patterns, with heat indices near 100°F but limited by cloud build-up. Trader emphasis on 90-91°F bins likely reflects historical variability and potential for stronger insolation if storms remain suppressed, while lower bins capture downside risks from enhanced moisture or earlier convection. Updated NWS and NOAA model runs in the next 48 hours will refine these probabilities ahead of market resolution.