S
M
T
W
T
F
S
31
73°
43°
1
68°
47°
2
78°
46°
3
81°
56°
4
82°
52°
5
88°
56°
6
82°
61°
7
84°
66°
8
73°
57°
9
76°
55°
10
76°
63°
11
92°
66°
12
94°
72°
13
86°
67°
14
87°
65°
15
79°
56°
16
77°
58°
17
77°
63°
18
79°
69°
19
79°
63°
20
81°
61°
21
80°
64°
22
79°
63°
23
84°
65°
24
83°
64°
25
77°
63°
26
77°
65°
27
81°
65°
28
80°
64°
29
76°
62°
30
76°
61°
1
77°
62°
2
78°
65°
3
77°
68°
4
78°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Central Islip
Central Islip's June 2026 forecast shows daily high temperatures ranging from 76° to 84°, with overnight lows between 56° and 69°. The average high for June is 79° with an average low of 63°. 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 Central Islip. See also: July | August | September.
