S
M
T
W
T
F
S
26
59°
33°
27
72°
32°
28
66°
53°
29
60°
44°
30
49°
36°
1
53°
32°
2
47°
37°
3
55°
34°
4
74°
45°
5
72°
46°
6
47°
41°
7
53°
33°
8
54°
35°
9
65°
35°
10
55°
35°
11
53°
31°
12
57°
29°
13
69°
43°
14
51°
41°
15
62°
42°
16
77°
38°
17
77°
56°
18
89°
60°
19
86°
64°
20
75°
46°
21
57°
38°
22
65°
35°
23
56°
48°
24
65°
55°
25
74°
54°
26
80°
57°
27
77°
54°
28
67°
48°
29
68°
49°
30
69°
51°
31
67°
49°
1
70°
52°
2
72°
52°
3
71°
54°
4
74°
55°
5
73°
52°
6
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in North Port Byron
North Port Byron's May 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 48° and 57°. The average high for May is 70° with an average low of 52°. 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 North Port Byron. See also: June | July | August.