S
M
T
W
T
F
S
26
81°
67°
27
81°
70°
28
81°
66°
29
80°
70°
30
81°
71°
31
84°
70°
1
83°
64°
2
82°
64°
3
80°
65°
4
80°
64°
5
78°
64°
6
80°
65°
7
80°
64°
8
81°
66°
9
80°
69°
10
80°
70°
11
79°
70°
12
80°
69°
13
82°
70°
14
84°
64°
15
84°
64°
16
80°
68°
17
81°
64°
18
81°
64°
19
79°
63°
20
78°
62°
21
79°
66°
22
78°
63°
23
78°
65°
24
80°
68°
25
78°
67°
26
83°
69°
27
83°
69°
28
82°
68°
29
83°
68°
30
82°
62°
31
78°
61°
1
77°
61°
2
76°
62°
3
76°
66°
4
76°
61°
5
80°
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 76° to 84°, with overnight lows between 59° and 71°. The average high for August is 80° with an average low of 66°. 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.
