**Current forecasts for Miami on September 2, 2026, point to a nighttime low in the upper 70s, aligning closely with the historical average low of roughly 76–77°F for the date.** This climatological baseline, drawn from long-term records at Miami International Airport, reflects typical late-summer conditions dominated by high humidity, light winds, and frequent afternoon/evening convection that limits overnight radiative cooling. Trader sentiment, reflected in the market distribution with 76–77°F at 29% implied probability and cooler buckets (73°F or below at 9%, 74–75°F at 5.5%) receiving the next-highest shares, centers on this normal-to-slightly-below-normal range. Higher-temperature outcomes carry negligible probability, consistent with the absence of strong warming factors such as clear, calm nights or atypical warm-air advection. Key variables include: - **Cloud cover and precipitation timing** — Persistent clouds or evening showers (forecast chance around 50%) trap heat and can produce localized cooling via evaporation or downdrafts, favoring the lower buckets. - **Wind and humidity patterns** — Light northeast-to-southeast winds and dew points near 75°F suppress temperature drops below the mid-70s unless stronger outflow from convection arrives. - **Model consensus and variability** — Official guidance (e.g., National Weather Service equivalents) shows upper-70s lows with modest spread; any shift in steering currents or thunderstorm coverage overnight could tip the final observed low by a few degrees. The spread across lower outcomes captures genuine short-term uncertainty in convective timing and boundary-layer mixing, while the near-zero probabilities above 78°F indicate strong agreement that conditions will not produce an unusually warm night. Updated model runs and real-time observations through the evening will be the primary drivers of any market movement before resolution.