S
M
T
W
T
F
S
31
63°
37°
1
62°
44°
2
73°
41°
3
79°
49°
4
82°
52°
5
82°
55°
6
62°
55°
7
75°
54°
8
76°
49°
9
85°
52°
10
86°
58°
11
83°
63°
12
76°
57°
13
86°
58°
14
81°
60°
15
80°
62°
16
76°
55°
17
76°
52°
18
64°
60°
19
76°
60°
20
75°
60°
21
75°
56°
22
73°
55°
23
77°
57°
24
81°
60°
25
80°
59°
26
71°
60°
27
74°
60°
28
79°
58°
29
80°
59°
30
80°
59°
1
87°
67°
2
96°
73°
3
93°
72°
4
89°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Long Island
Long Island's June 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for June is ° with an average low of °. 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 Long Island. See also: July | August | September.
