The weather forecast for San Nicolás de los Arroyos on Friday, February 20, 2026, predicts a maximum temperature of 29°C and a minimum of 19°C, according to the National Meteorological Service (SMN). The forecast highlights that winds will be mild, reaching 11 km/h, with an average humidity level of 88%. In the early hours of the day, no rain is expected, establishing a generally dry start to the day with humid conditions.

As the morning progresses, the humidity is anticipated to slightly decrease to around 82%, with similar light winds shifting to 13 km/h coming from the east. The forecast continues to show dry conditions throughout the morning and into the early afternoon, setting a pleasantly warm atmosphere but very humid due to the prevailing high levels of moisture in the air. This weather profile suggests a typical summer day in the region.

For the afternoon and evening, the SMN suggests that the dry weather will hold, with no precipitation expected and wind speeds remaining consistent at around 12 km/h from the southeast. This indicates that residents can enjoy a warm and humid evening as well, further complemented by the light and pleasant breezes, making for a comfortable if somewhat muggy end to the day in San Nicolás de los Arroyos.