**Trader consensus on a 20°C high for Milan on October 8, 2026, rests on converging official forecasts and real-time observations showing a daytime maximum of 20°C.** Multiple meteorological models and agency outputs, including Open-Meteo data and Met Office guidance, project a peak near 20°C amid overcast skies, light rain or showers, and light variable winds, with temperatures ranging roughly 15–20°C or 16–21°C across sources. This aligns with typical early-October conditions in the Po Valley, where mild Atlantic air and cloud cover limit further warming. The near-certain market pricing reflects the tight clustering of forecasts around this threshold and the advanced stage of the day, leaving little room for significant upward revision. Only an unexpected late surge from clearing skies or model error in localized heating could push the official station reading (e.g., Milano Linate) above 20°C, though current data make that improbable.