The weather forecast for San Nicolás de los Arroyos on Friday, March 20, 2026, indicates a maximum temperature of 29°C and a minimum of 18°C. According to the National Meteorological Service (SMN), winds are expected to be around 14 km/h, with an average humidity of 68%. In the morning, there are no anticipated rainfalls, with humidity remaining at 68% and light eastern winds blowing at 14 km/h.

As the day progresses, the SMN reports that the humidity will increase to 73% by mid-morning, while winds are forecasted to pick up slightly to 16 km/h from the northeast. In the afternoon and evening, light drizzle is expected, accumulating around 3 mm, with winds continuing from the northeast at 15 km/h. Precipitation intensity is expected to moderate by nightfall, creating a somewhat wet but mild end to the day in this region.

Overall, the daily weather pattern reflects typical conditions for March in San Nicolás de los Arroyos, with warm temperatures, higher humidity, and occasional rain, which can be essential for local agriculture and community activities. Residents are advised to be prepared for the changing conditions throughout the day, particularly in the evening when rain may be more prominent.