S
M
T
W
T
F
S
26
59°
44°
27
72°
38°
28
63°
43°
29
62°
49°
30
68°
50°
1
65°
49°
2
60°
45°
3
60°
42°
4
68°
53°
5
73°
57°
6
63°
50°
7
59°
42°
8
57°
45°
9
60°
49°
10
63°
48°
11
64°
47°
12
63°
48°
13
64°
51°
14
64°
52°
15
65°
54°
16
65°
54°
17
66°
53°
18
66°
58°
19
74°
58°
20
72°
57°
21
71°
59°
22
74°
58°
23
74°
58°
24
75°
57°
25
69°
53°
26
68°
57°
27
68°
60°
28
74°
61°
29
74°
60°
30
73°
59°
31
74°
60°
1
71°
54°
2
67°
55°
3
68°
54°
4
70°
54°
5
69°
55°
6
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wilmington
Wilmington's May 2026 forecast shows daily high temperatures ranging from 57° to 75°, with overnight lows between 42° and 61°. The average high for May is 68° 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 Wilmington. See also: June | July | August.
