S
M
T
W
T
F
S
26
57°
45°
27
56°
44°
28
59°
46°
29
59°
48°
30
61°
49°
1
54°
49°
2
54°
48°
3
55°
49°
4
58°
47°
5
61°
49°
6
57°
49°
7
55°
48°
8
54°
48°
9
59°
49°
10
55°
47°
11
54°
47°
12
55°
45°
13
57°
49°
14
56°
50°
15
55°
48°
16
55°
47°
17
56°
46°
18
56°
47°
19
57°
48°
20
63°
51°
21
64°
52°
22
64°
52°
23
57°
48°
24
58°
46°
25
56°
45°
26
59°
53°
27
65°
48°
28
66°
52°
29
67°
55°
30
66°
54°
31
65°
45°
1
65°
45°
2
66°
49°
3
66°
54°
4
67°
48°
5
66°
49°
6
67°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wise Island
Wise Island's May 2026 forecast shows daily high temperatures ranging from 54° to 67°, with overnight lows between 44° and 55°. The average high for May is 60° with an average low of 49°. 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 Wise Island. See also: June | July | August.