Recent National Weather Service and private model guidance for mid-June 2026 shows New York City under a mild, humid air mass with limited nocturnal cooling, supporting a most-likely minimum temperature in the mid-to-upper 60s °F. The 66–67 °F bin leads trader pricing because ensemble means cluster near 66 °F, consistent with climatological averages near 65–67 °F and current dew-point forecasts in the low 60s that limit radiational cooling. Higher bins (68–69 °F and above) receive support from scenarios featuring increased cloud cover or southerly flow that suppresses overnight drops, while lower outcomes (64–65 °F or below) remain live if clearer skies and lighter winds allow stronger boundary-layer decoupling. Key variables include the timing and strength of any weak frontal passage, low-level wind speeds, and urban heat-island effects measured at Central Park; model spread on these factors keeps the probability distribution relatively wide heading into the final 24-hour forecast cycle.