Current National Weather Service and ensemble model guidance points to a daily minimum temperature in Miami on October 3 near 79°F, with overnight readings holding in the upper 70s amid persistent easterly flow, high dew points near 77°F, and scattered showers that limit radiational cooling. This aligns with the market's tight clustering around the 76–83°F outcomes, as traders weigh typical early-October climatology (historical average low near 76°F) against the current warm, moist air mass and limited frontal influence. Key variables include cloud cover extent overnight and any timing shifts in showers that could nudge the low a degree or two. Updated model runs and NWS Miami briefings through October 2 will provide the next resolution signals for these closely matched probabilities.