S
M
T
W
T
F
S
26
86°
65°
27
68°
60°
28
79°
58°
29
83°
65°
30
87°
69°
1
74°
65°
2
67°
54°
3
72°
47°
4
78°
49°
5
80°
54°
6
80°
72°
7
77°
66°
8
69°
68°
9
73°
69°
10
74°
69°
11
82°
58°
12
75°
60°
13
79°
65°
14
83°
67°
15
85°
68°
16
84°
67°
17
83°
66°
18
82°
67°
19
79°
64°
20
79°
67°
21
80°
68°
22
80°
68°
23
78°
67°
24
77°
68°
25
78°
67°
26
79°
69°
27
80°
69°
28
80°
68°
29
81°
69°
30
79°
69°
31
79°
70°
1
80°
70°
2
81°
71°
3
81°
70°
4
82°
71°
5
82°
72°
6
83°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wilmington Island
Wilmington Island's May 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 58° and 72°. The average high for May is 80° with an average low of 68°. 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 Island. See also: June | July | August.
