S
M
T
W
T
F
S
26
68°
60°
27
69°
61°
28
69°
60°
29
69°
58°
30
73°
55°
1
67°
57°
2
66°
56°
3
65°
57°
4
65°
58°
5
68°
59°
6
67°
60°
7
67°
59°
8
66°
59°
9
68°
60°
10
69°
60°
11
70°
59°
12
71°
60°
13
70°
60°
14
68°
58°
15
66°
56°
16
66°
56°
17
67°
57°
18
68°
58°
19
68°
58°
20
71°
62°
21
69°
60°
22
68°
58°
23
69°
59°
24
69°
61°
25
70°
59°
26
70°
59°
27
73°
62°
28
75°
64°
29
75°
65°
30
76°
65°
31
76°
64°
1
77°
65°
2
77°
66°
3
73°
62°
4
72°
62°
5
77°
63°
6
76°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ischia
Ischia's May 2026 forecast shows daily high temperatures ranging from 65° to 77°, with overnight lows between 55° and 66°. The average high for May is 70° with an average low of 60°. 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 Ischia. See also: June | July | August.
