Persistent southeasterly winds and extensive cloud cover are moderating peak temperatures in Buenos Aires on October 15, 2026, with official forecasts from sources like the Met Office and local models pointing to a daily high near 18°C amid light showers. Spring conditions in the Southern Hemisphere typically support warming, yet this setup favors cooler maritime air advection over the city, limiting daytime heating compared to the seasonal average of about 22°C. Model consensus shows limited spread around these values, with slight variations in timing of any breaks in cloud or wind shifts creating the tight market split between 18°C and 19°C outcomes. Updated regional observations near midday will refine exact resolution as the peak window approaches.