S
M
T
W
T
F
S
26
51°
28°
27
49°
29°
28
55°
27°
29
59°
27°
30
61°
30°
1
66°
28°
2
72°
28°
3
75°
33°
4
75°
34°
5
65°
39°
6
66°
27°
7
74°
47°
8
75°
35°
9
69°
36°
10
78°
34°
11
84°
38°
12
86°
36°
13
88°
43°
14
69°
41°
15
69°
45°
16
63°
38°
17
53°
31°
18
56°
28°
19
62°
24°
20
67°
33°
21
61°
34°
22
68°
31°
23
76°
52°
24
80°
47°
25
83°
53°
26
71°
45°
27
67°
46°
28
76°
51°
29
69°
44°
30
73°
50°
31
76°
48°
1
80°
50°
2
84°
53°
3
85°
56°
4
85°
53°
5
73°
47°
6
78°
52°
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 67° to 85°, with overnight lows between 44° and 56°. The average high for May is 77° with an average low of 50°. 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.
