S
M
T
W
T
F
S
26
83°
66°
27
79°
60°
28
82°
63°
29
83°
61°
30
80°
58°
31
82°
62°
1
81°
59°
2
82°
58°
3
81°
57°
4
79°
55°
5
80°
56°
6
80°
57°
7
81°
57°
8
83°
59°
9
85°
59°
10
80°
61°
11
84°
64°
12
85°
64°
13
85°
63°
14
86°
58°
15
85°
56°
16
79°
59°
17
79°
62°
18
78°
57°
19
78°
55°
20
77°
56°
21
78°
62°
22
82°
60°
23
85°
61°
24
84°
62°
25
85°
54°
26
84°
54°
27
77°
55°
28
77°
54°
29
78°
60°
30
82°
61°
31
84°
61°
1
83°
54°
2
80°
54°
3
82°
58°
4
76°
58°
5
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rock
Rock's August 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 54° and 66°. The average high for August is 81° with an average low of 59°. 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 Rock. See also: September | October | November.