S
M
T
W
T
F
S
26
66°
56°
27
70°
53°
28
71°
55°
29
71°
57°
30
72°
57°
31
72°
55°
1
68°
56°
2
68°
57°
3
69°
56°
4
68°
58°
5
68°
55°
6
69°
56°
7
67°
57°
8
68°
56°
9
69°
57°
10
67°
53°
11
67°
53°
12
68°
54°
13
69°
53°
14
68°
54°
15
70°
55°
16
71°
55°
17
71°
54°
18
70°
53°
19
72°
57°
20
72°
58°
21
71°
57°
22
71°
57°
23
70°
56°
24
71°
56°
25
71°
55°
26
70°
56°
27
71°
56°
28
69°
54°
29
67°
53°
30
65°
52°
31
69°
51°
1
67°
53°
2
69°
52°
3
65°
52°
4
66°
53°
5
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Copplestone
Copplestone's August 2026 forecast shows daily high temperatures ranging from 64° to 72°, with overnight lows between 51° and 58°. 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 Copplestone. See also: September | October | November.