Official National Weather Service forecasts for New York City on September 26 project a daytime high near 63–64°F under widespread rain, strong northerly winds of 23–26 mph with higher gusts, and persistent cloud cover. These conditions, driven by post-frontal advection of cooler maritime air and suppressed solar heating from overcast skies and precipitation, explain why market-implied odds cluster tightly around 62–65°F. Model runs show limited disagreement on peak values, with uncertainty centered on exact rainfall timing and any brief clearing that could allow slightly higher readings. Historical September norms near 72°F underscore how this setup deviates from typical late-summer warmth, supporting trader focus on the lower bins amid stable guidance ahead of tomorrow’s resolution.