**Forecast models and official guidance point to a daily minimum temperature in Miami on August 27, 2026, most likely in the upper 70s to low 80s, consistent with the market’s leading outcomes clustered around 78–81°F.** Persistent high pressure ridging and easterly to southeasterly flow off the Atlantic are maintaining typical late-summer warmth and humidity, limiting overnight radiative cooling. Scattered showers and thunderstorms expected during the day and evening will influence cloud cover and any localized outflows, while the marine layer keeps temperatures from dropping sharply. Historical averages for the date place the normal low near 77.6°F, but recent model runs and NWS point forecasts favor slightly higher values due to the current pattern. Differentiation among the closely matched bins (78–79°F at 36.5% vs. 80–81°F at 31.0%) hinges on the precise timing, coverage, and intensity of convection, plus variations in boundary-layer moisture and wind speed that modulate how much the air mass cools after sunset. No tropical systems are currently steering unusual air masses into the region, keeping the outlook within climatological bounds with modest uncertainty from model spread on overnight details.