S
M
T
W
T
F
S
26
75°
57°
27
78°
56°
28
75°
60°
29
75°
56°
30
73°
57°
31
74°
60°
1
75°
58°
2
78°
61°
3
78°
61°
4
77°
60°
5
74°
57°
6
73°
55°
7
73°
59°
8
76°
59°
9
73°
60°
10
75°
56°
11
72°
53°
12
72°
56°
13
76°
60°
14
77°
56°
15
71°
52°
16
71°
52°
17
72°
56°
18
72°
59°
19
73°
60°
20
77°
60°
21
75°
59°
22
75°
58°
23
72°
58°
24
80°
52°
25
75°
56°
26
80°
53°
27
74°
51°
28
71°
50°
29
68°
49°
30
67°
49°
31
67°
50°
1
69°
53°
2
69°
58°
3
70°
58°
4
78°
57°
5
78°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cassville
Cassville's August 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 49° and 61°. The average high for August is 74° with an average low of 56°. 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 Cassville. See also: September | October | November.