Current National Weather Service and ensemble model guidance point to a mild overnight period in New York City on May 18, with the minimum temperature most likely falling in the mid-60s as southerly flow advects warmer air ahead of an approaching cold front. This setup has shifted trader consensus toward the 66–67 °F bin, reflecting reduced radiative cooling under partly cloudy skies and above-average 850-hPa temperatures. Historical climatology for mid-May shows typical lows near 55 °F, so the present anomaly supports elevated probabilities for 64–69 °F outcomes while keeping sub-60 °F scenarios below 3 %. Model spread remains modest, but any late-day clearing or stronger northwesterly shift could lower the minimum by 2–4 °F; the next high-resolution update from the Global Forecast System is expected within 12 hours.