S
M
T
W
T
F
S
26
57°
48°
27
58°
48°
28
59°
47°
29
58°
46°
30
59°
44°
1
60°
53°
2
68°
52°
3
63°
49°
4
60°
47°
5
61°
45°
6
62°
48°
7
61°
50°
8
61°
52°
9
62°
49°
10
62°
47°
11
63°
47°
12
63°
52°
13
64°
49°
14
63°
52°
15
64°
50°
16
64°
51°
17
66°
58°
18
73°
58°
19
70°
57°
20
67°
54°
21
67°
55°
22
68°
52°
23
69°
52°
24
68°
53°
25
69°
55°
26
76°
56°
27
74°
57°
28
77°
60°
29
78°
60°
30
78°
59°
31
71°
61°
1
70°
61°
2
71°
60°
3
71°
57°
4
79°
59°
5
79°
63°
6
80°
64°
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 57° to 80°, with overnight lows between 44° and 64°. The average high for May is 67° with an average low of 53°. 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.