Official forecasts from Argentina’s Servicio Meteorológico Nacional and global models indicate a Monday maximum near 22°C in Buenos Aires under increasing easterly flow and cloud cover that limits daytime heating after a clearer Sunday. This places 22–23°C outcomes in near parity as minor variations in cloud timing or boundary-layer mixing can shift the peak by 1°C. Light winds and high humidity further cap warming relative to seasonal norms, while the absence of precipitation keeps the focus on thermodynamic details rather than convective cooling. Traders are weighting the tight model consensus and historical October variability, with resolution hinging on the precise afternoon observation.