S
M
T
W
T
F
S
26
93°
73°
27
93°
74°
28
94°
74°
29
92°
72°
30
93°
73°
31
92°
73°
1
91°
72°
2
86°
72°
3
86°
71°
4
87°
73°
5
88°
73°
6
87°
72°
7
87°
72°
8
88°
73°
9
89°
73°
10
89°
72°
11
87°
72°
12
87°
71°
13
88°
71°
14
92°
70°
15
90°
71°
16
91°
70°
17
87°
69°
18
88°
70°
19
92°
71°
20
91°
66°
21
87°
66°
22
86°
67°
23
85°
65°
24
86°
65°
25
87°
66°
26
88°
66°
27
91°
67°
28
91°
69°
29
92°
70°
30
92°
70°
31
91°
69°
1
91°
69°
2
90°
68°
3
90°
69°
4
89°
64°
5
89°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cullman
Cullman's August 2026 forecast shows daily high temperatures ranging from 85° to 94°, with overnight lows between 64° and 74°. The average high for August is 89° with an average low of 70°. 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 Cullman. See also: September | October | November.