Buenos Aires Weather Forecast
View current Buenos Aires weather, short forecasts, humidity, heat and thunderstorm context for daily and travel planning.
Buenos Aires has a humid subtropical climate with hot, humid summers and mild winters. Strong fronts can bring rapid temperature changes, thunderstorms, heavy rain and gusty winds.
March to May and September to November often provide comfortable temperatures. Remember that seasons are opposite those in the Northern Hemisphere.
Choose light breathable clothing for summer and keep rain protection available. Winter usually calls for layers rather than extreme-cold gear, but windy changes can feel sharp.
How to use this page's data
The live summary and forecast come from weather data providers; climate, best-time, and clothing sections are editorial context. Local conditions can differ, so use official local alerts for safety decisions.
See sources, update timing, and limitationsBuenos Aires weather decisions for rapid changes
Warm humid air and passing fronts can produce a sharp shift in temperature, wind, and rain. Check the hourly trend as well as the daily high before a long outdoor plan.
- Summer heat
- Use the feels-like value, schedule shade breaks, and review heat-health alerts.
- Thunderstorms
- Monitor warning timing because wind and heavy rain can arrive before the temperature falls.
- Cool changes
- A light layer can be useful after a front even when the day began warm and humid.
What to watch
Severe thunderstorms, heat, intense rain, and strong winds are the main short-term risks. Argentina's SMN alert map is the authoritative source.
Official alerts: Servicio Meteorologico Nacional alertsEditorial context reviewed July 16, 2026
Common Questions
Common questions about Buenos Aires weather
When is the best time to visit Buenos Aires?
March to May and September to November often provide comfortable temperatures. Remember that seasons are opposite those in the Northern Hemisphere.
What is the current weather in Buenos Aires?
Check the real-time weather data above for the latest temperature, humidity, and conditions.