The weather forecast for Avellaneda, Buenos Aires, on March 18, 2026, predicts a maximum temperature of 25°C and a minimum of 15°C. According to the National Meteorological Service (SMN), light winds are expected to blow at 18 km/h, with an average humidity level of 82%.

In the morning, there will be no expected rainfall, with humidity remaining at 82% and light winds from the south. As the day progresses into mid-morning, the humidity will decrease to 76%, but the letter forecast remains consistent with no expected precipitation.

For the afternoon and evening, the forecast continues to indicate a lack of precipitation, with slight increases in winds to 19 km/h coming from the east. Overall, residents of Avellaneda can expect pleasant weather conditions with mild temperatures and low chances of rain throughout the day.