S
M
T
W
T
F
S
31
72°
44°
1
73°
47°
2
73°
57°
3
78°
58°
4
78°
63°
5
85°
66°
6
87°
61°
7
75°
56°
8
71°
56°
9
70°
57°
10
72°
60°
11
74°
62°
12
78°
62°
13
77°
63°
14
79°
60°
15
75°
57°
16
72°
57°
17
72°
58°
18
74°
59°
19
75°
61°
20
76°
60°
21
75°
59°
22
74°
59°
23
74°
64°
24
75°
66°
25
76°
63°
26
75°
61°
27
77°
68°
28
82°
67°
29
78°
66°
30
77°
63°
1
76°
63°
2
77°
64°
3
78°
68°
4
81°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Copiague Harbor
Copiague Harbor's June 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 47° and 69°. The average high for June is 76° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Copiague Harbor. See also: July | August | September.
