S
M
T
W
T
F
S
26
67°
49°
27
68°
50°
28
64°
46°
29
63°
46°
30
64°
45°
1
64°
45°
2
66°
46°
3
63°
45°
4
62°
45°
5
63°
46°
6
64°
45°
7
65°
46°
8
66°
47°
9
67°
48°
10
67°
48°
11
68°
49°
12
66°
49°
13
68°
48°
14
70°
50°
15
73°
54°
16
69°
53°
17
71°
54°
18
69°
52°
19
69°
51°
20
70°
53°
21
69°
52°
22
69°
52°
23
70°
53°
24
70°
53°
25
68°
55°
26
70°
53°
27
71°
54°
28
72°
53°
29
75°
54°
30
74°
54°
31
74°
55°
1
75°
55°
2
75°
54°
3
76°
54°
4
77°
58°
5
77°
59°
6
76°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bortignoni
Bortignoni's May 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 45° and 61°. The average high for May is 69° with an average low of 51°. 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 Bortignoni. See also: June | July | August.