S
M
T
W
T
F
S
26
84°
56°
27
83°
56°
28
76°
62°
29
85°
65°
30
75°
63°
1
64°
52°
2
73°
45°
3
74°
40°
4
79°
45°
5
80°
61°
6
87°
70°
7
77°
61°
8
73°
55°
9
81°
58°
10
81°
59°
11
82°
61°
12
83°
60°
13
86°
61°
14
84°
61°
15
85°
61°
16
86°
62°
17
92°
61°
18
81°
62°
19
84°
62°
20
80°
63°
21
80°
61°
22
82°
57°
23
80°
56°
24
80°
58°
25
82°
59°
26
81°
59°
27
81°
58°
28
82°
59°
29
83°
62°
30
83°
65°
31
84°
66°
1
84°
66°
2
85°
67°
3
84°
66°
4
84°
66°
5
85°
67°
6
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Shellhorn
Shellhorn's May 2026 forecast shows daily high temperatures ranging from 73° to 92°, with overnight lows between 45° and 70°. The average high for May is 83° with an average low of 61°. 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 Shellhorn. See also: June | July | August.