Buenos Aires weather live forecast

Today's maximum temperature in Buenos Aires is expected to be 21°C. Select a day from the live weather forecast for Buenos Aires, Argentina for more weather parameters.

5-day weather forecast updated at 04:00 on Tuesday 16th September 2025 GMT

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The 5-day weather forecast for Argentina (Buenos Aires) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Buenos Aires weather forecast by day

Below are the detailed weather forecasts for Buenos Aires for the next 5 days.

Buenos Aires weather for Tuesday 16th September 2025

Expect scattered clouds in Buenos Aires, Argentina with a maximum temperature of 21°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Light breeze of 8 kph from the East8
    kph wind from E

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Buenos Aires weather for Wednesday 17th September 2025

Expect scattered clouds in Buenos Aires, Argentina with a maximum temperature of 22°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

  • 22°C maximum temperature22
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the East9
    kph wind from E

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Buenos Aires weather for Thursday 18th September 2025

Expect isolated thunderstorms in Buenos Aires, Argentina with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 21% chance of some rain and a light breeze of 9 kph from the east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 21% chance of some rain21
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Light breeze of 9 kph from the East9
    kph wind from E

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Buenos Aires weather for Friday 19th September 2025

Expect isolated thunderstorms in Buenos Aires, Argentina with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 9 kph from the north-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 41% chance of some rain41
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the North-East9
    kph wind from NE

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Buenos Aires weather for Saturday 20th September 2025

Expect isolated thunderstorms in Buenos Aires, Argentina with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 78% chance of some rain78
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Metric (°C / mm)  |  Imperial (°F / inches)

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