S
M
T
W
T
F
S
26
102°
60°
27
92°
62°
28
94°
63°
29
92°
61°
30
92°
59°
31
96°
61°
1
98°
65°
2
99°
56°
3
84°
49°
4
91°
56°
5
89°
55°
6
92°
53°
7
94°
53°
8
89°
53°
9
89°
55°
10
88°
52°
11
90°
57°
12
88°
55°
13
82°
55°
14
90°
57°
15
90°
55°
16
85°
56°
17
89°
55°
18
89°
55°
19
88°
54°
20
89°
55°
21
90°
56°
22
90°
54°
23
88°
55°
24
88°
55°
25
87°
54°
26
87°
53°
27
82°
53°
28
84°
52°
29
85°
52°
30
84°
52°
31
84°
52°
1
79°
51°
2
81°
51°
3
82°
50°
4
78°
51°
5
80°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Midwest
Midwest's August 2026 forecast shows daily high temperatures ranging from 78° to 99°, with overnight lows between 49° and 65°. The average high for August is 88° with an average low of 55°. 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 Midwest. See also: September | October | November.
