5-day weather forecast Buenos Aires Nov 18, 2026
28°Weather forecast Buenos Aires Wednesday Nov 18, 2026: sunny, temperature from 17 °C to 28 °C.
Precipitation probability 38%. Wind up to 5.19 m/s (gusts 13.03 m/s). Air humidity 37–84%, atmospheric pressure 754–757 mm Hg, UV index up to 7.
5 days at a glance — tap a day to open it
Sunrise 05:38
Sunset 19:38
Sunset 19:38
Waxing Gibbous73% illuminated
Moonrise 13:48 · Moonset 02:01
Moonrise 13:48 · Moonset 02:01
Chart
TableWed, Nov 18, 2026
Forecast from 17 °C to 28 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Air quality & pollen
Air quality is available for the first three days only.
Wed, Nov 18, 2026
Buenos Aires on the map
Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.