S
M
T
W
T
F
S
26
70°
50°
27
74°
51°
28
72°
53°
29
69°
54°
30
70°
51°
31
73°
53°
1
73°
54°
2
75°
55°
3
75°
54°
4
74°
55°
5
74°
54°
6
76°
55°
7
77°
55°
8
75°
54°
9
68°
51°
10
67°
52°
11
68°
50°
12
68°
51°
13
69°
51°
14
71°
54°
15
72°
52°
16
69°
52°
17
69°
46°
18
72°
46°
19
73°
47°
20
74°
48°
21
75°
47°
22
76°
51°
23
76°
51°
24
69°
53°
25
76°
49°
26
71°
43°
27
68°
45°
28
68°
49°
29
69°
47°
30
67°
44°
31
69°
52°
1
73°
52°
2
76°
49°
3
78°
51°
4
75°
44°
5
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Bend
South Bend's August 2026 forecast shows daily high temperatures ranging from 67° to 78°, with overnight lows between 43° and 55°. The average high for August is 72° with an average low of 50°. 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 South Bend. See also: September | October | November.
