S
M
T
W
T
F
S
26
98°
76°
27
98°
69°
28
94°
69°
29
94°
71°
30
98°
73°
31
100°
75°
1
99°
74°
2
100°
74°
3
99°
69°
4
100°
68°
5
93°
68°
6
93°
69°
7
94°
69°
8
94°
71°
9
97°
74°
10
98°
75°
11
99°
75°
12
100°
74°
13
100°
75°
14
99°
74°
15
99°
74°
16
96°
73°
17
99°
74°
18
99°
72°
19
100°
69°
20
91°
66°
21
92°
72°
22
96°
69°
23
97°
72°
24
96°
72°
25
96°
71°
26
97°
71°
27
96°
70°
28
96°
71°
29
95°
71°
30
96°
70°
31
96°
70°
1
95°
69°
2
95°
69°
3
94°
68°
4
94°
69°
5
93°
68°
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 91° to 100°, with overnight lows between 66° and 76°. The average high for August is 97° with an average low of 71°. 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.
