S
M
T
W
T
F
S
26
77°
63°
27
78°
63°
28
80°
62°
29
76°
63°
30
81°
64°
31
79°
64°
1
76°
63°
2
75°
63°
3
75°
62°
4
76°
63°
5
76°
63°
6
79°
64°
7
78°
63°
8
79°
62°
9
76°
63°
10
76°
63°
11
75°
62°
12
77°
62°
13
79°
61°
14
80°
62°
15
75°
62°
16
75°
61°
17
74°
61°
18
75°
60°
19
79°
61°
20
79°
62°
21
76°
61°
22
81°
61°
23
76°
53°
24
78°
54°
25
75°
59°
26
74°
55°
27
78°
52°
28
73°
52°
29
75°
59°
30
74°
52°
31
77°
51°
1
75°
54°
2
76°
57°
3
75°
57°
4
76°
56°
5
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cooper
Cooper's August 2026 forecast shows daily high temperatures ranging from 73° to 81°, with overnight lows between 51° and 64°. The average high for August is 77° with an average low of 60°. 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 Cooper. See also: September | October | November.