S
M
T
W
T
F
S
26
63°
47°
27
64°
46°
28
59°
48°
29
57°
48°
30
57°
46°
1
61°
46°
2
59°
47°
3
57°
43°
4
60°
50°
5
64°
50°
6
59°
49°
7
60°
47°
8
64°
46°
9
61°
47°
10
61°
53°
11
66°
48°
12
60°
46°
13
62°
53°
14
69°
54°
15
64°
52°
16
63°
51°
17
64°
53°
18
69°
56°
19
72°
53°
20
71°
48°
21
63°
48°
22
64°
53°
23
65°
51°
24
69°
57°
25
74°
59°
26
75°
56°
27
66°
55°
28
67°
58°
29
67°
57°
30
68°
55°
31
67°
58°
1
74°
59°
2
75°
59°
3
75°
59°
4
76°
60°
5
77°
59°
6
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wyandanch
Wyandanch's May 2026 forecast shows daily high temperatures ranging from 57° to 77°, with overnight lows between 43° and 60°. The average high for May 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 May weather will actually feel in Wyandanch. See also: June | July | August.