S
M
T
W
T
F
S
26
83°
62°
27
89°
66°
28
83°
55°
29
67°
52°
30
68°
49°
1
69°
49°
2
76°
44°
3
82°
48°
4
81°
58°
5
78°
50°
6
64°
48°
7
74°
43°
8
82°
48°
9
86°
56°
10
69°
57°
11
77°
51°
12
82°
51°
13
87°
58°
14
N/A
15
88°
68°
16
87°
70°
17
88°
71°
18
86°
66°
19
77°
59°
20
73°
60°
21
75°
59°
22
79°
60°
23
77°
61°
24
81°
63°
25
83°
65°
26
82°
62°
27
83°
63°
28
86°
67°
29
87°
67°
30
86°
68°
31
86°
68°
1
83°
67°
2
81°
68°
3
87°
69°
4
88°
70°
5
87°
70°
6
83°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Iona
Iona's May 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 59° and 71°. The average high for May is 83° with an average low of 66°. 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.
