Recent AEMET guidance and ensemble model runs for Madrid on October 5, 2026, indicate a maximum near 22–23°C amid overcast skies, light southerly flow, and afternoon showers that suppress surface heating. These conditions align with climatological norms for early October, where the long-term average high sits at 22°C. Market-implied odds favoring 25–26°C likely reflect residual uncertainty in localized observations, model spread on timing of cloud breaks, and the precise resolution station or threshold used. With the day underway and precipitation ongoing, final hourly readings from official networks will determine the outcome, while traders weigh any late-day clearing potential against the current stable, moist airmass.