S
M
T
W
T
F
S
26
86°
66°
27
85°
67°
28
85°
66°
29
84°
64°
30
80°
66°
31
82°
66°
1
82°
65°
2
83°
67°
3
86°
67°
4
86°
66°
5
85°
64°
6
84°
65°
7
86°
67°
8
86°
66°
9
87°
67°
10
87°
66°
11
86°
65°
12
85°
66°
13
86°
66°
14
81°
62°
15
79°
59°
16
79°
59°
17
80°
65°
18
78°
65°
19
80°
61°
20
81°
64°
21
80°
65°
22
79°
63°
23
81°
64°
24
86°
63°
25
81°
64°
26
81°
63°
27
80°
62°
28
83°
63°
29
84°
62°
30
79°
62°
31
79°
63°
1
80°
63°
2
78°
62°
3
80°
63°
4
82°
61°
5
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Big Rock
Big Rock's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 53° and 67°. The average high for August is 82° with an average low of 64°. 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 Big Rock. See also: September | October | November.
