S
M
T
W
T
F
S
26
79°
52°
27
80°
55°
28
80°
60°
29
70°
63°
30
73°
58°
31
80°
56°
1
86°
67°
2
83°
69°
3
82°
63°
4
84°
67°
5
82°
68°
6
84°
67°
7
83°
65°
8
84°
64°
9
83°
63°
10
83°
63°
11
81°
60°
12
78°
59°
13
79°
58°
14
77°
59°
15
78°
54°
16
76°
54°
17
82°
57°
18
78°
55°
19
77°
60°
20
79°
56°
21
77°
53°
22
77°
58°
23
83°
61°
24
84°
61°
25
83°
60°
26
80°
59°
27
76°
59°
28
75°
60°
29
79°
58°
30
80°
59°
31
80°
58°
1
79°
53°
2
73°
50°
3
72°
52°
4
72°
50°
5
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Copake Lake
Copake Lake's August 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 49° and 69°. The average high for August is 80° 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 Copake Lake. See also: September | October | November.