S
M
T
W
T
F
S
26
56°
40°
27
45°
38°
28
58°
35°
29
63°
39°
30
64°
41°
1
68°
46°
2
75°
44°
3
79°
50°
4
77°
57°
5
62°
53°
6
65°
43°
7
77°
50°
8
79°
50°
9
75°
49°
10
82°
50°
11
92°
55°
12
93°
60°
13
90°
61°
14
75°
52°
15
79°
48°
16
69°
51°
17
58°
44°
18
55°
41°
19
65°
39°
20
65°
49°
21
64°
46°
22
68°
49°
23
81°
60°
24
85°
62°
25
87°
62°
26
82°
55°
27
68°
49°
28
72°
52°
29
81°
58°
30
87°
60°
31
84°
59°
1
86°
60°
2
78°
50°
3
80°
52°
4
83°
51°
5
84°
57°
6
74°
52°
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 64° to 87°, with overnight lows between 46° and 62°. The average high for May is 78° with an average low of 55°. 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.
