S
M
T
W
T
F
S
26
81°
59°
27
77°
63°
28
77°
54°
29
78°
49°
30
85°
66°
31
79°
62°
1
74°
53°
2
75°
46°
3
79°
53°
4
81°
58°
5
74°
53°
6
76°
55°
7
77°
57°
8
75°
55°
9
72°
54°
10
74°
55°
11
75°
56°
12
71°
54°
13
74°
58°
14
69°
54°
15
70°
54°
16
71°
58°
17
71°
57°
18
70°
57°
19
70°
56°
20
75°
54°
21
69°
50°
22
68°
49°
23
68°
50°
24
69°
51°
25
67°
52°
26
68°
53°
27
69°
52°
28
69°
56°
29
76°
55°
30
76°
56°
31
75°
56°
1
75°
54°
2
69°
52°
3
66°
52°
4
72°
55°
5
74°
55°
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 66° to 85°, with overnight lows between 46° and 66°. The average high for August is 73° 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 Rock. See also: September | October | November.