S
M
T
W
T
F
S
26
86°
66°
27
81°
66°
28
76°
64°
29
82°
57°
30
87°
65°
31
77°
67°
1
78°
65°
2
75°
60°
3
80°
54°
4
83°
63°
5
73°
59°
6
78°
56°
7
83°
63°
8
81°
63°
9
76°
63°
10
78°
63°
11
77°
62°
12
75°
62°
13
75°
58°
14
74°
60°
15
73°
57°
16
72°
58°
17
73°
59°
18
73°
60°
19
74°
59°
20
72°
58°
21
73°
59°
22
77°
58°
23
79°
63°
24
74°
63°
25
77°
64°
26
78°
64°
27
79°
62°
28
78°
61°
29
70°
60°
30
69°
59°
31
70°
60°
1
71°
61°
2
72°
61°
3
77°
62°
4
76°
62°
5
75°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Carlsville
Carlsville's August 2026 forecast shows daily high temperatures ranging from 69° to 79°, with overnight lows between 57° and 64°. The average high for August is 75° with an average low of 61°. 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 Carlsville. See also: September | October | November.