S
M
T
W
T
F
S
26
87°
80°
27
87°
80°
28
88°
79°
29
87°
80°
30
87°
80°
31
88°
79°
1
88°
79°
2
87°
80°
3
87°
80°
4
88°
79°
5
86°
80°
6
87°
80°
7
87°
79°
8
88°
80°
9
87°
80°
10
87°
79°
11
88°
80°
12
87°
80°
13
87°
79°
14
88°
80°
15
87°
80°
16
88°
79°
17
89°
76°
18
90°
77°
19
89°
77°
20
90°
78°
21
89°
78°
22
89°
77°
23
90°
77°
24
90°
76°
25
89°
77°
26
89°
77°
27
90°
78°
28
89°
78°
29
90°
79°
30
89°
77°
31
90°
78°
1
89°
77°
2
90°
77°
3
90°
78°
4
89°
76°
5
88°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cotton Valley
Cotton Valley's August 2026 forecast shows daily high temperatures ranging from 86° to 90°, with overnight lows between 76° and 80°. The average high for August is 88° with an average low of 79°. 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 Cotton Valley. See also: September | October | November.
