Recent numerical weather prediction models from sources like the European Centre for Medium-Range Weather Forecasts show a stable high-pressure ridge over the Iberian Peninsula, with northeasterly flow and clear skies supporting a maximum temperature near 20–21°C in Madrid on October 9. Light winds and minimal cloud cover limit diurnal warming, while the seasonal decline from summer peaks aligns with the long-term average high of 21°C for the date. Model consensus remains tight with little spread, reducing upside risk for warmer outcomes, though minor revisions in boundary-layer mixing or advection could shift the peak by 1°C. Traders appear to weight these factors heavily, concentrating implied probabilities on the narrow 20–22°C band as the event nears.