S
M
T
W
T
F
S
26
81°
63°
27
82°
62°
28
83°
69°
29
88°
65°
30
91°
61°
31
82°
63°
1
83°
62°
2
82°
61°
3
80°
59°
4
81°
61°
5
82°
62°
6
82°
64°
7
84°
65°
8
86°
63°
9
88°
60°
10
83°
66°
11
89°
69°
12
91°
68°
13
91°
61°
14
86°
65°
15
87°
68°
16
89°
65°
17
89°
60°
18
80°
59°
19
79°
58°
20
81°
61°
21
86°
58°
22
79°
57°
23
79°
58°
24
80°
61°
25
86°
66°
26
87°
66°
27
86°
67°
28
89°
57°
29
87°
64°
30
86°
59°
31
82°
61°
1
77°
62°
2
78°
54°
3
77°
56°
4
78°
63°
5
77°
63°
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 77° to 91°, with overnight lows between 54° and 69°. The average high for August is 84° with an average low of 62°. 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.
