On Sunday, October 18, 2026, the Buenos Aires Metropolitan Area (AMBA) faces a cool, mostly cloudy
On Sunday, October 18, 2026, the Buenos Aires Metropolitan Area (AMBA) faces a cool, mostly cloudy Mother’s Day with no active weather alerts or rain forecast, according to the Servicio Meteorológico Nacional (SMN) reported by Infobae. The temperature will range from a low of 7 degrees to a high of 15 degrees Celsius.
Regional Forecasts and Temperature Ranges Across Argentina
While the capital region stays dry, weather conditions vary sharply across the country. In the Northwest, San Salvador de Jujuy and Salta experience isolated showers until the afternoon under mostly cloudy skies, with temperatures hovering between 9 and 16 degrees. San Miguel de Tucumán registers persistent isolated showers all day with a high of 18 degrees, while Santiago del Estero records cloudy skies and a top temperature of 17 degrees. Further instability hits San Fernando del Valle de Catamarca with afternoon showers and wind gusts reaching 50 kilometers per hour. La Rioja sees general cloudiness reaching 20 degrees, and San Juan anticipates afternoon scattered showers with a high of 21 degrees.
Formosa leads the Northeast as the warmest capital, hitting a high of 25 degrees with partly cloudy skies. Resistencia, Posadas, and Corrientes experience partly cloudy conditions with highs ranging from 23 to 24 degrees and winds staying at or below 22 kilometers per hour. Córdoba, Paraná, and Santa Fe maintain mostly or partly cloudy skies with maximums reaching 19 degrees. Santa Rosa records a high of 19 degrees, while San Luis reaches 20 degrees with winds up to 31 kilometers per hour. Mendoza transitions from a cloudy day to evening scattered showers with a high of 19 degrees. Neuquén displays a significant thermal amplitude, moving from a morning low of 7 degrees to a 21-degree afternoon high alongside late-day showers.
Adverse Weather Conditions in the Southern Extremes
The southernmost regions face the most severe disruptions. Rawson records a high of 20 degrees with afternoon showers, and Viedma experiences gusts up to 50 kilometers per hour alongside a high of 20 degrees. Río Gallegos endures continuous rain and morning gusts reaching 59 kilometers per hour, with temperatures spanning 10 to 17 degrees. Ushuaia records persistent rain and showers, a high of 13 degrees, and wind gusts hitting 50 kilometers per hour.
Outlook for the Upcoming Week
Looking ahead into the new week, the SMN forecasts persistent cloud cover across the AMBA region with zero precipitation risk. Temperatures across the metropolitan area will gradually climb, reaching a peak of 22 degrees on Thursday.