S
M
T
W
T
F
S
26
81°
60°
27
82°
66°
28
80°
72°
29
82°
68°
30
77°
68°
31
82°
67°
1
82°
71°
2
80°
72°
3
79°
73°
4
82°
72°
5
80°
73°
6
83°
71°
7
82°
70°
8
85°
71°
9
84°
70°
10
86°
68°
11
84°
69°
12
81°
66°
13
80°
64°
14
79°
67°
15
79°
64°
16
77°
63°
17
81°
67°
18
80°
64°
19
78°
69°
20
80°
66°
21
78°
63°
22
77°
68°
23
83°
70°
24
84°
70°
25
84°
69°
26
80°
68°
27
77°
68°
28
77°
69°
29
80°
67°
30
82°
68°
31
81°
67°
1
82°
64°
2
74°
60°
3
73°
61°
4
74°
60°
5
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Copiague
Copiague's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 59° and 73°. The average high for August is 80° with an average low of 67°. 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 Copiague. See also: September | October | November.
