Buenos Aires weather live forecast

Today's maximum temperature in Buenos Aires is expected to be 23°C. Select a day from the live weather forecast for Buenos Aires, Argentina for more weather parameters.

Sunday
14th Dec
23

21

1

5
Monday
15th Dec
27

19

7

11
Tuesday
16th Dec
25

16

12

10
Wednesday
17th Dec
30

19

12

11
Thursday
18th Dec
34

24

14

11

5-day weather forecast updated at 04:01 on Sunday 14th December 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 Sunday 14th December 2025

Expect isolated thunderstorms in Buenos Aires, Argentina with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 14 kph from the south-east.

23
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
75
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
14
kph wind from SE

Buenos Aires weather for Monday 15th December 2025

Expect sunshine and showers in Buenos Aires, Argentina with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a gentle breeze of 17 kph from the south-west.

27
°C maximum temperature
19
°C minimum temperature
sunshine and showers
7
hours of sunshine
11
UV index (Extreme)
3
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
17
kph wind from SW

Buenos Aires weather for Tuesday 16th December 2025

Expect scattered clouds in Buenos Aires, Argentina with a maximum temperature of 25°C, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

25
°C maximum temperature
16
°C minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
9
kph wind from S

Buenos Aires weather for Wednesday 17th December 2025

Expect scattered clouds in Buenos Aires, Argentina with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

30
°C maximum temperature
19
°C minimum temperature
scattered clouds
12
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from N

Buenos Aires weather for Thursday 18th December 2025

Expect clear skies in Buenos Aires, Argentina with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.