S
M
T
W
T
F
S
26
63°
47°
27
78°
59°
28
75°
57°
29
63°
42°
30
59°
40°
1
55°
38°
2
57°
40°
3
66°
48°
4
71°
53°
5
72°
51°
6
67°
50°
7
63°
48°
8
63°
48°
9
65°
52°
10
66°
51°
11
69°
50°
12
76°
56°
13
74°
49°
14
68°
48°
15
67°
48°
16
67°
49°
17
69°
48°
18
72°
58°
19
79°
59°
20
79°
55°
21
71°
56°
22
73°
52°
23
75°
53°
24
80°
61°
25
81°
60°
26
77°
55°
27
73°
53°
28
76°
55°
29
80°
58°
30
81°
61°
31
83°
62°
1
83°
63°
2
84°
63°
3
84°
64°
4
83°
63°
5
82°
60°
6
83°
63°
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 55° to 84°, with overnight lows between 38° and 64°. The average high for May is 73° 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.
