S
M
T
W
T
F
S
26
70°
59°
27
75°
57°
28
81°
64°
29
84°
63°
30
73°
59°
31
73°
48°
1
73°
52°
2
77°
54°
3
82°
59°
4
82°
61°
5
73°
57°
6
68°
54°
7
73°
50°
8
79°
52°
9
82°
61°
10
75°
55°
11
81°
54°
12
90°
55°
13
97°
68°
14
84°
64°
15
75°
52°
16
73°
52°
17
75°
59°
18
70°
61°
19
72°
57°
20
66°
55°
21
68°
54°
22
70°
48°
23
73°
46°
24
70°
50°
25
75°
59°
26
72°
61°
27
71°
58°
28
71°
57°
29
67°
56°
30
69°
54°
31
66°
52°
1
66°
52°
2
68°
53°
3
68°
53°
4
67°
54°
5
66°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cosby
Cosby's August 2026 forecast shows daily high temperatures ranging from 66° to 75°, with overnight lows between 52° and 61°. The average high for August is 69° with an average low of 55°. 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 Cosby. See also: September | October | November.
