Buenos Aires weather live forecast

Today's maximum temperature in Buenos Aires is expected to be 35°C. Select a day from the live weather forecast for Buenos Aires, Argentina for more weather parameters.

Monday
29th Dec
35

25

12

11
Tuesday
30th Dec
38

27

12

11
Wednesday
31st Dec
39

27

10

11
Thursday
1st Jan
30

22

9

11
Friday
2nd Jan
28

20

6

11

5-day weather forecast updated at 04:01 on Monday 29th 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 Monday 29th December 2025

Expect scattered clouds in Buenos Aires, Argentina with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

35
°C maximum temperature
25
°C minimum temperature
scattered clouds
12
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
11
kph wind from E

Buenos Aires weather for Tuesday 30th December 2025

Expect scattered clouds in Buenos Aires, Argentina with a maximum temperature of 38°C, very high levels of heat & humidity, maximum UV of 11+ (Extreme) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

38
°C maximum temperature
27
°C minimum temperature
scattered clouds
12
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
VH
very high heat & humidity
11
kph wind from N

Buenos Aires weather for Wednesday 31st December 2025

Expect scattered clouds in Buenos Aires, Argentina with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 11 (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

39
°C maximum temperature
27
°C minimum temperature
scattered clouds
10
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
VH
very high heat & humidity
17
kph wind from NW

Buenos Aires weather for Thursday 1st January 2026

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 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.

30
°C maximum temperature
22
°C minimum temperature
scattered clouds
9
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SE

Buenos Aires weather for Friday 2nd January 2026

Expect sunshine and showers in Buenos Aires, Argentina with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a gentle breeze of 14 kph from the south-east.