Buenos Aires weather live forecast

Today's maximum temperature in Buenos Aires is expected to be 81°F. Select a day from the live weather forecast for Buenos Aires, Argentina for more weather parameters.

Sunday
21st Dec
81

73

4

10
Monday
22nd Dec
86

73

9

11
Tuesday
23rd Dec
90

73

10

11
Wednesday
24th Dec
90

75

10

11
Thursday
25th Dec
84

70

9

11

5-day weather forecast updated at 04:00 on Sunday 21st 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 21st December 2025

Expect isolated thunderstorms in Buenos Aires, Argentina with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 44% chance of some rain and a light breeze of 4 mph from the north-east.

81
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
10
UV index (Very High)
44
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
4
mph wind from NE

Buenos Aires weather for Monday 22nd December 2025

Expect isolated thunderstorms in Buenos Aires, Argentina with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a light breeze of 7 mph from the east.

86
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
9
hours of sunshine
11
UV index (Extreme)
16
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

Buenos Aires weather for Tuesday 23rd December 2025

Expect scattered clouds in Buenos Aires, Argentina with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the east.

90
°F maximum temperature
73
°F minimum temperature
scattered clouds
10
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
4
mph wind from E

Buenos Aires weather for Wednesday 24th December 2025

Expect isolated thunderstorms in Buenos Aires, Argentina with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a light breeze of 6 mph from the south-east.

90
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
10
hours of sunshine
11
UV index (Extreme)
36
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from SE

Buenos Aires weather for Thursday 25th December 2025

Expect isolated thunderstorms in Buenos Aires, Argentina with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a gentle breeze of 9 mph from the east.