S
M
T
W
T
F
S
26
50°
34°
27
59°
36°
28
59°
34°
29
61°
36°
30
54°
37°
1
66°
32°
2
73°
30°
3
73°
43°
4
79°
36°
5
46°
36°
6
50°
36°
7
73°
36°
8
73°
48°
9
77°
45°
10
70°
48°
11
88°
50°
12
79°
54°
13
84°
46°
14
90°
52°
15
88°
46°
16
84°
50°
17
72°
45°
18
45°
41°
19
61°
34°
20
61°
45°
21
55°
43°
22
68°
45°
23
79°
45°
24
90°
54°
25
91°
50°
26
82°
52°
27
75°
52°
28
70°
55°
29
81°
57°
30
82°
52°
31
82°
46°
1
82°
57°
2
82°
55°
3
82°
59°
4
84°
54°
5
82°
54°
6
91°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Idalia
Idalia's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Idalia. See also: June | July | August.