Current forecast models from European weather agencies indicate a daytime maximum near 20°C for Madrid on May 16, driven by a persistent high-pressure ridge that promotes subsidence, clear skies, and light northerly winds, all of which suppress vertical mixing and limit surface heating. This alignment across ensemble runs from the European Centre for Medium-Range Weather Forecasts creates the strong scientific consensus reflected in the market-implied 100% probability for exactly 20°C. Historical May climatology for central Spain shows typical highs around 22–24°C, but today's stable synoptic pattern deviates from those norms. The outcome could shift only if rapid changes in cloud cover or wind direction occur before peak heating, or if afternoon observations from official stations like Madrid-Barajas revise the daily maximum upward.