Weather forecast for Junín, Buenos Aires: Tuesday, July 21, 2026

Junín, Buenos Aires, will experience a cool and dry Tuesday on July 21, 2026. The National Meteorological Service (SMN) forecasts a high of 12°C and a low of 8°C. Light southeastern winds are expected to range between 10 km/h and 15 km/h throughout the day, with humidity consistently around 94%. No precipitation is anticipated at any point, from morning to night.

The article also provides background on the National Meteorological Service (SMN), Argentina's official weather agency. The SMN's core functions include predicting weather, issuing early warnings for hazardous phenomena, and supplying climate data crucial for aviation, agriculture, and navigation. Its operations are supported by a national network of weather stations, satellite data, and advanced numerical prediction models.

Additionally, the report clarifies the SMN's alert system. A "yellow alert" indicates meteorological phenomena that could cause damage and temporarily disrupt daily life, posing risks especially to vulnerable groups during extreme temperatures. An "orange alert" warns of dangerous meteorological events threatening society, life, property, and the environment, with temperatures that could be very dangerous for at-risk populations. A "red alert" signifies exceptional meteorological phenomena capable of causing emergencies or disasters, posing extreme danger to everyone.