Forecast models from agencies including the Met Office and timeanddate.com indicate Madrid’s August 27 high will likely fall in the mid-20s Celsius amid a cooling trend, with overcast skies, light showers, and northerly flow advecting cooler Atlantic air that suppresses daytime heating. This setup contrasts with typical late-August conditions driven by subtropical ridging, where clear skies and downslope warming often push maxima above 30 °C. Ensemble spreads remain modest but acknowledge timing differences in frontal passage and cloud cover that could shift the peak by 2–4 °C, keeping multiple temperature bins near 50 % implied probability. Updated runs from global and regional models, plus official briefings expected within 24 hours, will refine the exact ceiling before resolution.