S
M
T
W
T
F
S
27
67°
61°
28
74°
60°
29
74°
57°
30
67°
55°
1
66°
54°
2
69°
58°
3
72°
56°
4
72°
58°
5
71°
58°
6
65°
57°
7
71°
58°
8
71°
56°
9
70°
53°
10
62°
54°
11
68°
49°
12
61°
52°
13
66°
55°
14
69°
55°
15
70°
54°
16
68°
54°
17
70°
51°
18
61°
47°
19
59°
52°
20
62°
53°
21
67°
52°
22
67°
46°
23
56°
42°
24
55°
46°
25
60°
51°
26
68°
47°
27
63°
40°
28
58°
40°
29
60°
45°
30
63°
49°
31
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Centereach
Centereach's October 2026 forecast shows daily high temperatures ranging from 55° to 74°, with overnight lows between 40° and 61°. The average high for October is 66° with an average low of 52°. 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 Centereach. See also: November | December | January.
