Recent National Weather Service and private model guidance for New York City on August 23 points to an overnight low in the mid-to-upper 60s, with Central Park forecasts centering near 67°F amid partly to mostly cloudy skies, a 50% chance of showers or thunderstorms, and light east-to-southwest winds. This aligns closely with the 1991–2020 climatological average low of 67.5°F for the date. Persistent cloud cover and elevated humidity are limiting radiative cooling overnight, while any afternoon convection could further moderate the diurnal range. Market-implied odds favoring 68–71°F reflect trader assessment of these moderating influences and recent warmer-than-normal August conditions, though model consensus leaves room for slight downward revisions if clearer skies develop after midnight. Updated NWS briefings and morning observations on August 23 will refine resolution probabilities.