S
M
T
W
T
F
S
27
68°
53°
28
66°
53°
29
73°
51°
30
71°
48°
1
65°
51°
2
70°
56°
3
71°
46°
4
72°
45°
5
63°
46°
6
64°
50°
7
62°
52°
8
63°
53°
9
63°
52°
10
64°
53°
11
69°
53°
12
68°
48°
13
68°
44°
14
60°
44°
15
59°
43°
16
58°
43°
17
57°
42°
18
58°
42°
19
59°
43°
20
62°
49°
21
62°
49°
22
63°
50°
23
65°
48°
24
67°
44°
25
66°
42°
26
59°
39°
27
57°
41°
28
56°
38°
29
54°
38°
30
54°
38°
31
Hist. Avg.
59°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Mattituck
Mattituck's October 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 38° and 56°. The average high for October is 63° with an average low of 47°. 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 Mattituck. See also: November | December | January.
