S
M
T
W
T
F
S
31
73°
43°
1
68°
47°
2
78°
46°
3
81°
56°
4
83°
56°
5
90°
63°
6
88°
68°
7
86°
63°
8
70°
56°
9
75°
56°
10
76°
60°
11
81°
65°
12
80°
64°
13
82°
65°
14
78°
60°
15
74°
63°
16
77°
61°
17
76°
60°
18
74°
64°
19
79°
65°
20
78°
61°
21
79°
60°
22
75°
59°
23
74°
59°
24
75°
65°
25
77°
67°
26
82°
66°
27
82°
61°
28
76°
61°
29
78°
62°
30
76°
61°
1
78°
63°
2
77°
62°
3
82°
68°
4
84°
67°
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 70° to 90°, with overnight lows between 56° and 68°. The average high for June is 79° with an average low of 62°. 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.
