Current forecast models from NOAA and regional guidance indicate an overnight low in the low 70s°F for New York City on August 17, driven by a stable summer air mass with light winds, moderate humidity, and limited cloud cover that moderates radiative cooling. Typical August climatology shows Central Park or LaGuardia lows averaging near 70°F, with the 72-73°F bin leading at 43% implied probability because recent model runs show minimal frontal influence or dry-air advection that could produce sharper drops. Warmer-than-average monthly outlooks reinforce this positioning without major shifts expected before resolution, though any last-minute increase in cloudiness or wind could nudge the minimum slightly higher. Traders weigh these factors against historical variability in urban heat retention when assessing the narrow temperature bands.