5-day weather forecast Buenos Aires 05-09-2026

Weather forecast Buenos Aires Saturday, September 5 05.09.2026: sunny, temperature from 8 °C to 13 °C.

Precipitation probability 10%. Wind up to 7.11 m/s (gusts 10.22 m/s). Air humidity 33–73%, atmospheric pressure 764–770 mm Hg, UV index up to 5.2.

5 days at a glance — tap a day to open it
Sunrise 07:06
Sunset 18:37
Waning Crescent29% illuminated
Moonrise 02:37 · Moonset 12:06
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Table

Forecast from 8 °C to 13 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)1312111110998891011111212121212121110998
Precipitation (mm/hr)000000000000000000000.01000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)0002000000055452571100936277245
Rain chance (%)4344445764321112610958233

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)2.52.53.813.53.894.394.8955.696.116.115.696.116.576.817.116.55.895.115.115.115.195.39
Wind gust (m/s)3.423.897.3187.339.119.649.6110.229.428.197.728.339.119.929.929.759.398.428.538.228.899.319.11
Wind direction (°)NNW 332°NW 304°W 264°WSW 243°SSW 205°S 188°S 184°S 190°SSW 193°SSW 192°SSW 195°SSW 206°SW 215°SW 219°SW 220°SW 220°SW 221°SW 219°SSW 212°SSW 208°SSW 198°SSW 193°SSW 202°SSW 206°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)616061596061647370645545403836343334394146515456

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)764764764764764765766767767767768768768768767767767767768768769770770770

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.212.33.74.95.24.63.41.90.70.200000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)3.42.62.21.91.71.61.72.33.232.72.52.42.32.11.91.71.72.12.93.33.64.14.8
PM10 (µg/m³)3.83.12.62.21.91.92.12.83.73.83.53.43.33.332.62.42.32.83.53.94.55.46.6
Ozone (O₃) (µg/m³)333636363534343536384145484950505049474441383738
NO₂ (µg/m³)11.686.45.65.35.65.95.95.85.44.53.22.31.91.822.73.856.78.69.69.17.7
SO₂ (µg/m³)3.22.62.52.52.52.62.733.33.53.32.92.52.221.91.91.92.12.52.93.23.12.9
CO (µg/m³)38423715094687488109139154141115959194100109121131138142140127108

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.