S
M
T
W
T
F
S
26
78°
59°
27
79°
63°
28
80°
64°
29
80°
65°
30
82°
67°
31
85°
66°
1
87°
66°
2
87°
67°
3
86°
67°
4
85°
60°
5
81°
58°
6
78°
58°
7
77°
57°
8
78°
58°
9
79°
58°
10
79°
62°
11
83°
63°
12
82°
64°
13
85°
65°
14
84°
66°
15
86°
64°
16
85°
59°
17
78°
58°
18
78°
56°
19
79°
58°
20
78°
61°
21
76°
63°
22
79°
57°
23
79°
63°
24
83°
63°
25
77°
57°
26
83°
56°
27
78°
62°
28
76°
64°
29
84°
63°
30
83°
64°
31
82°
61°
1
81°
62°
2
80°
60°
3
81°
59°
4
76°
62°
5
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mishawaka
Mishawaka's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 56° and 67°. The average high for August is 81° 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 Mishawaka. See also: September | October | November.