S
M
T
W
T
F
S
26
89°
68°
27
88°
69°
28
88°
68°
29
85°
68°
30
81°
67°
31
81°
66°
1
80°
67°
2
81°
64°
3
81°
66°
4
82°
63°
5
81°
62°
6
80°
61°
7
80°
61°
8
81°
65°
9
81°
66°
10
82°
65°
11
82°
65°
12
83°
64°
13
83°
65°
14
84°
66°
15
83°
66°
16
80°
65°
17
81°
63°
18
80°
61°
19
81°
61°
20
85°
65°
21
81°
57°
22
78°
56°
23
79°
58°
24
81°
57°
25
80°
58°
26
85°
61°
27
86°
64°
28
88°
65°
29
88°
63°
30
87°
57°
31
79°
61°
1
80°
64°
2
82°
56°
3
85°
62°
4
85°
64°
5
86°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Coal Grove
Coal Grove's August 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 56° and 69°. The average high for August is 83° with an average low of 63°. 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 Coal Grove. See also: September | October | November.
