Short-term ensemble forecasts from NOAA and global models for New York City on May 18 indicate daytime maximum temperatures clustered around 82–85°F, with the 82–83°F range carrying the highest market-implied probability at 28.5%. This tight distribution stems from moderate variability in guidance on southerly flow strength and the timing of a weak frontal passage, which could modulate afternoon heating by a few degrees. Typical mid-May climatology places average highs near 72°F, but current ridging and above-normal sea-surface temperatures in the western Atlantic favor the warmer outcomes priced at 20.5% for 84–85°F. Traders appear to weigh the risk of sea-breeze cooling or increased cloud cover against the potential for clearer conditions that could push readings into the 86–87°F bin. Updated model runs over the next 48 hours will likely narrow the remaining spread before resolution.