**Current forecasts for New York City on September 3, 2026, indicate overnight lows primarily in the low 70s°F, driven by persistent warmth, high humidity, and cloud cover that limits radiative cooling.** Multiple models show a humid air mass with southwest flow, showers or thunderstorms possible into the evening, and dew points near 70°F, which supports minimum temperatures around 70–73°F as the most probable range. This aligns with the market’s leading outcomes (70–71°F at 30.5% and 72–73°F at 26.0%), reflecting trader consensus on the current forecast guidance. The closely matched probabilities around these bins, alongside notable shares for cooler outcomes (63°F or below at 24.5%; 68–69°F at 24.0%), highlight genuine uncertainty in the exact minimum. Key differentiating scientific factors include the degree of cloud cover and precipitation overnight—thicker clouds and rain suppress cooling by trapping heat and reducing longwave radiation loss—versus any clearer periods that could allow temperatures to drop closer to seasonal norms (historical average low ~65°F). Wind speeds, urban heat island effects, and minor shifts in the steering pattern or model consensus on timing of any clearing also contribute to the spread. With resolution imminent, updated model runs and official National Weather Service guidance will be the primary drivers of any market movement.