S
M
T
W
T
F
S
26
56°
40°
27
65°
41°
28
63°
43°
29
60°
47°
30
60°
47°
1
62°
44°
2
59°
43°
3
61°
46°
4
62°
51°
5
65°
55°
6
64°
53°
7
65°
47°
8
58°
46°
9
60°
49°
10
61°
53°
11
65°
53°
12
65°
51°
13
63°
53°
14
65°
52°
15
67°
53°
16
72°
58°
17
73°
57°
18
73°
58°
19
72°
58°
20
73°
57°
21
70°
57°
22
71°
54°
23
67°
51°
24
65°
53°
25
67°
52°
26
67°
56°
27
68°
53°
28
68°
54°
29
69°
53°
30
68°
53°
31
69°
61°
1
73°
61°
2
72°
57°
3
71°
60°
4
75°
62°
5
74°
61°
6
72°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wantagh
Wantagh's May 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 43° and 62°. The average high for May is 67° with an average low of 54°. 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 Wantagh. See also: June | July | August.