S
M
T
W
T
F
S
26
58°
43°
27
69°
39°
28
60°
43°
29
61°
51°
30
69°
44°
1
67°
37°
2
62°
43°
3
63°
40°
4
77°
42°
5
85°
59°
6
73°
60°
7
65°
49°
8
73°
40°
9
66°
48°
10
80°
52°
11
60°
45°
12
65°
45°
13
63°
52°
14
65°
50°
15
68°
49°
16
73°
54°
17
80°
57°
18
82°
60°
19
81°
58°
20
81°
57°
21
79°
57°
22
82°
55°
23
81°
61°
24
80°
60°
25
81°
60°
26
82°
61°
27
82°
62°
28
83°
62°
29
82°
61°
30
83°
63°
31
83°
62°
1
82°
60°
2
75°
56°
3
76°
58°
4
80°
63°
5
77°
62°
6
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Severn
Severn's May 2026 forecast shows daily high temperatures ranging from 60° to 83°, with overnight lows between 45° and 63°. The average high for May is 77° with an average low of 57°. 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 Severn. See also: June | July | August.