S
M
T
W
T
F
S
26
62°
31°
27
66°
35°
28
59°
47°
29
47°
34°
30
49°
34°
1
47°
31°
2
46°
27°
3
54°
24°
4
74°
43°
5
63°
41°
6
49°
31°
7
50°
28°
8
56°
32°
9
61°
35°
10
52°
35°
11
51°
31°
12
55°
28°
13
59°
40°
14
50°
40°
15
67°
38°
16
72°
42°
17
77°
46°
18
80°
60°
19
77°
41°
20
48°
36°
21
53°
37°
22
59°
49°
23
53°
51°
24
57°
49°
25
61°
49°
26
63°
51°
27
68°
51°
28
66°
50°
29
67°
52°
30
66°
51°
31
67°
47°
1
64°
52°
2
65°
52°
3
65°
51°
4
62°
49°
5
62°
48°
6
65°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Severn
Port Severn's May 2026 forecast shows daily high temperatures ranging from 48° to 80°, with overnight lows between 36° and 60°. The average high for May is 63° with an average low of 49°. 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 Port Severn. See also: June | July | August.
