5-day weather forecast Buenos Aires Sep 25, 2026

25°15° · Overcast

Weather forecast Buenos Aires Friday Sep 25, 2026: overcast, temperature from 15 °C to 25 °C.

Precipitation probability 19%. Wind up to 3.69 m/s (gusts 11.11 m/s). Air humidity 37–76%, atmospheric pressure 755–760 mm Hg, UV index up to 8.1.

Sunrise 06:38
Sunset 18:51
Full Moon100% illuminated
Moonrise 18:10 · Moonset 05:58
Chart
Table

Forecast from 15 °C to 25 °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)171717161616151516182022232425252524232221202019
Precipitation (mm/hr)000000000000000000000000

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 (%)991001200001010010010010010085100100100100100100100100100100
Rain chance (%)19197667781916131110810101010111112131414

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)3.693.613.393.53.53.693.392.693.113.313.313.692.612.52.812.112.612.611.811.892.52.612.692.69
Wind gust (m/s)10.510.6110.6110.8310.9211.1110.428.697.035.815.535.924.614.54.813.814.194.314.534.814.644.725.5
Wind direction (°)N 351°NNW 342°NNW 348°NNW 337°NNW 336°NNW 335°NW 310°WNW 292°NW 305°W 278°W 279°W 259°SSW 209°SSW 204°S 188°S 172°S 172°S 172°S 178°S 189°S 191°S 182°S 173°S 174°

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 (%)717170717273747671645747424138373841454851555859

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)756755755755755755755756757758758758757757757756756757758758759759760760

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 Index000000000.51.73.65.57.28.17.15.43.11.40.400000

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)9.58.47.46.665.86.2811.513.212.612.511.911.811.811.911.914.123.535.241.139.735.531.7
PM10 (µg/m³)10.2987.16.46.26.68.411.913.813.213.112.312.212.212.312.314.523.935.641.640.23632.2
Ozone (O₃) (µg/m³)242730313129282625294159738391917960422712314
NO₂ (µg/m³)33.728.423.219.417.817.618.220.122.824.122.619.717.415.313.715.924.737.248.156.663.56661.753
SO₂ (µg/m³)8.67.97.16.66.36.26.57.48.89.910.61111.51212.613.314.315.416.216.716.816.515.513.9
CO (µg/m³)187162127106102113157269414504492426360293227219301442608848111212181029681

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.