S
M
T
W
T
F
S
27
49°
32°
28
50°
30°
29
44°
28°
30
43°
29°
31
41°
27°
1
43°
24°
2
39°
26°
3
37°
29°
4
40°
24°
5
40°
14°
6
38°
16°
7
29°
23°
8
34°
23°
9
37°
29°
10
43°
30°
11
44°
30°
12
43°
27°
13
43°
22°
14
40°
20°
15
31°
26°
16
36°
25°
17
42°
22°
18
41°
23°
19
38°
29°
20
36°
17°
21
34°
25°
22
36°
24°
23
Hist. Avg.
38°
19°
24
Hist. Avg.
38°
19°
25
Hist. Avg.
38°
19°
26
Hist. Avg.
38°
19°
27
Hist. Avg.
38°
19°
28
Hist. Avg.
38°
19°
29
Hist. Avg.
38°
19°
30
Hist. Avg.
38°
19°
31
Hist. Avg.
38°
19°
1
Hist. Avg.
38°
19°
2
Hist. Avg.
38°
19°
3
Hist. Avg.
38°
19°
4
Hist. Avg.
38°
19°
5
Hist. Avg.
38°
19°
6
Hist. Avg.
38°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Mattituck
Mattituck's January 2027 forecast shows daily high temperatures ranging from 29° to 50°, with overnight lows between 14° and 32°. The average high for January is 40° with an average low of 25°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Mattituck. See also: February | March | April.
