S
M
T
W
T
F
S
26
55°
36°
27
65°
37°
28
63°
35°
29
58°
39°
30
56°
46°
1
62°
46°
2
56°
42°
3
59°
43°
4
63°
50°
5
68°
53°
6
63°
50°
7
62°
41°
8
58°
44°
9
59°
48°
10
61°
46°
11
62°
49°
12
60°
49°
13
60°
50°
14
62°
49°
15
62°
52°
16
63°
50°
17
63°
47°
18
64°
54°
19
70°
54°
20
70°
53°
21
65°
55°
22
71°
52°
23
64°
51°
24
66°
53°
25
66°
51°
26
67°
52°
27
65°
54°
28
67°
57°
29
73°
58°
30
72°
57°
31
71°
56°
1
68°
51°
2
66°
52°
3
66°
51°
4
68°
52°
5
67°
52°
6
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Yaphank
Yaphank's May 2026 forecast shows daily high temperatures ranging from 56° to 73°, with overnight lows between 41° and 58°. The average high for May is 65° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Yaphank. See also: June | July | August.
