S
M
T
W
T
F
S
31
68°
58°
1
74°
57°
2
75°
59°
3
74°
59°
4
76°
60°
5
77°
58°
6
78°
55°
7
76°
54°
8
72°
55°
9
71°
56°
10
75°
60°
11
73°
56°
12
75°
62°
13
79°
63°
14
80°
63°
15
81°
64°
16
81°
64°
17
80°
63°
18
81°
59°
19
81°
65°
20
82°
65°
21
79°
66°
22
83°
65°
23
84°
66°
24
83°
67°
25
84°
65°
26
83°
60°
27
77°
59°
28
76°
60°
29
77°
61°
30
77°
65°
1
78°
68°
2
82°
64°
3
78°
62°
4
79°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in East Islip
East Islip's June 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 54° and 68°. The average high for June is 78° 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 East Islip. See also: July | August | September.
