Recent National Weather Service guidance and ensemble models project an overnight low in the low 70s Fahrenheit for New York City on August 5, driven by elevated dew points near 70°F, abundant low-level moisture, and reduced radiative cooling under partly cloudy skies with possible showers. This setup limits the typical nocturnal temperature drop, consistent with the current warm, humid pattern across the Northeast where seasonal averages are already exceeded. Market-implied odds favor the 70-71°F bin at 50 percent because LaGuardia observations during similar regimes reliably settle in that narrow window, while higher bins reflect residual uncertainty from any late-day thunderstorm timing or wind shifts that could nudge the minimum slightly warmer. Updated model runs expected overnight will provide the next key data point for resolution.