Weather today in Costa Chica, Buenos Aires: the weather forecast for Saturday, March 21, 2026
The weather forecast for Costa Chica on Saturday, March 21, 2026, indicates a maximum temperature of 21°C and a minimum of 14°C, with moderate rain expected throughout the day.
The weather forecast for Costa Chica, Buenos Aires, for Saturday, March 21, 2026, predicts a maximum temperature of 21°C and a minimum temperature of 14°C. According to the National Meteorological Service (SMN), winds are expected to reach 25 km/h, and humidity levels will be around 95%. This wet weather is characterized by the potential for significant rainfall throughout the day, creating conditions for possible disruptions in daily activities.
In the morning, the SMN anticipates moderate rainfall of 11 mm, along with very high humidity at 95% and moderate winds from the northeast at 25 km/h. As the morning progresses, the expected precipitation will continue, accumulating to 10 mm by mid-morning, with humidity slightly decreasing to 93% and wind speeds dropping to 22 km/h from the north. Participants in morning activities should be prepared for wet conditions and plan accordingly.
By the afternoon and evening, residents can expect further rainfall, with forecasts indicating an additional 12 mm of rain. Winds will pick up in speed to 33 km/h coming from the northwest by this time. The forecast suggests that rainfall will continue into the night, but the intensity is expected to lighten. This consistent pattern of rain and high humidity over the day signals the potential for localized flooding and other weather-related challenges in the area.