S
M
T
W
T
F
S
26
65°
51°
27
68°
44°
28
74°
49°
29
80°
50°
30
85°
53°
1
83°
56°
2
80°
58°
3
71°
54°
4
63°
55°
5
70°
55°
6
79°
58°
7
84°
61°
8
88°
60°
9
92°
61°
10
95°
63°
11
97°
66°
12
96°
67°
13
99°
66°
14
96°
63°
15
92°
62°
16
82°
54°
17
87°
58°
18
85°
56°
19
86°
59°
20
87°
59°
21
88°
58°
22
87°
59°
23
87°
60°
24
89°
60°
25
89°
59°
26
90°
60°
27
88°
60°
28
87°
59°
29
86°
59°
30
87°
60°
31
88°
61°
1
89°
61°
2
90°
62°
3
91°
62°
4
90°
61°
5
89°
61°
6
85°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Palermo
Palermo's May 2026 forecast shows daily high temperatures ranging from 63° to 99°, with overnight lows between 54° and 67°. The average high for May is 87° 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 Palermo. See also: June | July | August.
