S
M
T
W
T
F
S
27
67°
59°
28
62°
57°
29
72°
56°
30
70°
60°
1
74°
60°
2
79°
65°
3
72°
56°
4
63°
55°
5
71°
54°
6
61°
44°
7
65°
39°
8
72°
52°
9
71°
51°
10
66°
54°
11
67°
58°
12
69°
55°
13
73°
52°
14
62°
45°
15
59°
48°
16
63°
53°
17
64°
52°
18
61°
49°
19
63°
51°
20
63°
53°
21
64°
45°
22
57°
51°
23
58°
42°
24
57°
41°
25
57°
47°
26
64°
49°
27
65°
40°
28
55°
40°
29
55°
41°
30
56°
44°
31
61°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Port Jefferson Station
Port Jefferson Station's October 2026 forecast shows daily high temperatures ranging from 55° to 73°, with overnight lows between 40° and 58°. The average high for October is 63° with an average low of 48°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Port Jefferson Station. See also: November | December | January.
