Official forecasts from the National Weather Service and ensemble models project Miami's overnight low on October 5 near 75–78 °F, driven by persistent southeast flow, high boundary-layer moisture, and limited nocturnal radiative cooling under partly cloudy skies with a 40–50 % chance of showers and thunderstorms. These conditions align closely with early-October climatology (average low ~76 °F) and show no incoming cold front or northerly wind shift that would produce significant cooling. Trader consensus placing the highest implied probability on 71 °F or below therefore appears to embed residual model-spread uncertainty around localized outflow boundaries or heavier rainfall timing rather than a shift in the broader synoptic pattern. Updated model runs and the next NWS forecast discussion will provide the clearest near-term signal for any revision in these odds.