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
78°
59°
16
74°
55°
17
76°
62°
18
87°
67°
19
82°
69°
20
81°
63°
21
80°
62°
22
73°
68°
23
79°
65°
24
81°
64°
25
79°
66°
26
78°
67°
27
81°
67°
28
80°
66°
29
81°
68°
30
84°
69°
1
84°
69°
2
85°
70°
3
86°
67°
4
79°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Port Jefferson Station
Port Jefferson Station's June 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 62° and 70°. The average high for June is 81° with an average low of 67°. 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 Port Jefferson Station. See also: July | August | September.
