S
M
T
W
T
F
S
26
64°
54°
27
63°
56°
28
63°
51°
29
59°
48°
30
62°
53°
31
70°
57°
1
66°
53°
2
60°
56°
3
62°
52°
4
59°
53°
5
61°
56°
6
63°
47°
7
59°
46°
8
59°
46°
9
59°
46°
10
56°
45°
11
57°
48°
12
58°
52°
13
61°
50°
14
57°
49°
15
58°
48°
16
58°
52°
17
60°
53°
18
66°
54°
19
67°
53°
20
65°
48°
21
59°
48°
22
58°
50°
23
58°
48°
24
59°
50°
25
61°
53°
26
61°
54°
27
62°
53°
28
65°
50°
29
66°
53°
30
67°
54°
31
67°
55°
1
66°
54°
2
64°
53°
3
58°
52°
4
59°
50°
5
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Buenos Aires
Buenos Aires's August 2026 forecast shows daily high temperatures ranging from 56° to 67°, with overnight lows between 45° and 56°. The average high for August is 61° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Buenos Aires. See also: September | October | November.
