S
M
T
W
T
F
S
26
88°
69°
27
88°
69°
28
86°
68°
29
86°
67°
30
83°
66°
31
80°
66°
1
79°
65°
2
80°
63°
3
82°
66°
4
79°
63°
5
79°
60°
6
78°
62°
7
82°
64°
8
83°
67°
9
83°
66°
10
85°
66°
11
84°
65°
12
84°
66°
13
85°
67°
14
85°
66°
15
84°
65°
16
79°
64°
17
79°
64°
18
81°
63°
19
83°
65°
20
83°
64°
21
75°
54°
22
74°
55°
23
76°
56°
24
75°
60°
25
76°
63°
26
78°
62°
27
76°
65°
28
84°
64°
29
85°
55°
30
83°
55°
31
76°
57°
1
76°
62°
2
75°
58°
3
81°
64°
4
83°
61°
5
83°
53°
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 74° to 88°, with overnight lows between 53° and 69°. The average high for August is 81° with an average low of 63°. 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.
