Current National Weather Service and ensemble model guidance project Miami’s overnight low on October 9 in the upper 70s (roughly 76–80 °F), sustained by a warm, humid southeasterly flow with dew points near 76–78 °F that limits radiational cooling. Afternoon thunderstorms and associated cloud cover further moderate nighttime temperature drops. Historical October 9 lows average 75 °F, with rare excursions below 70 °F occurring only under atypical clear, dry conditions or early-season cold-front passages—neither of which is currently indicated. The market’s elevated implied probability on the 69 °F-or-below bin reflects residual uncertainty around exact cloud timing and any late-model shifts, while the clustered mid-range bins capture the narrow but still uncertain forecast envelope ahead of final 48-hour updates.