S
M
T
W
T
F
S
27
38°
20°
28
33°
22°
29
36°
21°
30
36°
28°
31
39°
30°
1
50°
23°
2
46°
19°
3
36°
21°
4
32°
23°
5
36°
31°
6
45°
33°
7
47°
28°
8
50°
16°
9
49°
20°
10
29°
27°
11
38°
23°
12
39°
20°
13
33°
20°
14
33°
13°
15
34°
20°
16
29°
24°
17
40°
28°
18
39°
26°
19
48°
18°
20
44°
19°
21
30°
26°
22
36°
29°
23
42°
30°
24
44°
31°
25
44°
32°
26
46°
30°
27
47°
29°
28
44°
28°
29
45°
28°
30
44°
29°
31
Hist. Avg.
39°
23°
1
Hist. Avg.
39°
23°
2
Hist. Avg.
39°
23°
3
Hist. Avg.
39°
23°
4
Hist. Avg.
39°
23°
5
Hist. Avg.
39°
23°
6
Hist. Avg.
40°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Yaphank
Yaphank's January 2027 forecast shows daily high temperatures ranging from 29° to 50°, with overnight lows between 13° and 33°. 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 Yaphank. See also: February | March | April.
