Recent forecasts from multiple models indicate Milan will reach a daily maximum near 21°C under stable high-pressure conditions with light southerly winds and partly cloudy skies, supporting the market's strong preference for that outcome. October's typical autumnal cooling limits radiative heating, while clear morning conditions and minimal cloud cover have allowed steady daytime warming without the extremes seen in summer. Updated runs show limited potential for a late spike to 22°C if insolation exceeds expectations, explaining the secondary weighting, whereas cooler scenarios remain improbable absent an unexpected frontal passage. Official monitoring confirms no significant atmospheric shifts in the past 48 hours that would alter this narrow range.