S
M
T
W
T
F
S
29
87°
63°
30
86°
63°
31
85°
63°
1
77°
55°
2
79°
58°
3
79°
65°
4
82°
63°
5
85°
64°
6
81°
63°
7
80°
68°
8
82°
60°
9
76°
55°
10
72°
54°
11
71°
52°
12
75°
51°
13
77°
53°
14
82°
56°
15
73°
47°
16
79°
48°
17
83°
50°
18
84°
50°
19
83°
49°
20
83°
49°
21
82°
48°
22
81°
47°
23
75°
42°
24
74°
43°
25
79°
45°
26
85°
51°
27
85°
50°
28
84°
49°
29
82°
50°
30
85°
51°
1
85°
52°
2
86°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Buenos Aires
Buenos Aires's April 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 42° and 68°. The average high for April is 80° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Buenos Aires. See also: May | June | July.