Latest numerical weather prediction models, including those from ECMWF and national centers, indicate Milan will experience clear skies and light westerly winds overnight into September 5, supporting radiative cooling but limited by residual warmth and urban heat island effects. This setup typically yields minimum temperatures near 22–24°C at official stations, consistent with the ongoing late-summer heatwave featuring daytime highs of 33–35°C. Market-implied odds cluster tightly around 18–19°C because traders weigh model spread, potential for slightly stronger nocturnal cooling if winds drop further, and historical early-September baselines around 16–18°C. Key variables differentiating close outcomes include exact dew point depression, boundary-layer mixing, and measurement timing at the reference station; cooler thresholds below 15°C would require an unexpected frontal passage absent from current guidance. Updated model runs and official minimum reports will resolve the market.