S
M
T
W
T
F
S
26
82°
53°
27
70°
59°
28
69°
59°
29
66°
49°
30
64°
42°
1
60°
45°
2
58°
42°
3
68°
39°
4
79°
55°
5
69°
46°
6
61°
46°
7
64°
40°
8
74°
47°
9
77°
56°
10
71°
55°
11
74°
47°
12
81°
47°
13
73°
54°
14
68°
45°
15
80°
66°
16
80°
66°
17
91°
67°
18
83°
71°
19
79°
61°
20
70°
50°
21
72°
50°
22
75°
55°
23
81°
60°
24
82°
60°
25
81°
63°
26
81°
62°
27
80°
62°
28
79°
59°
29
83°
62°
30
77°
59°
31
76°
57°
1
76°
57°
2
77°
56°
3
76°
58°
4
78°
62°
5
84°
65°
6
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Iona
Iona's May 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 50° and 71°. The average high for May is 79° with an average low of 61°. 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 Iona. See also: June | July | August.
