S
M
T
W
T
F
S
26
81°
51°
27
83°
59°
28
78°
63°
29
69°
54°
30
64°
46°
1
63°
43°
2
61°
40°
3
68°
37°
4
82°
52°
5
69°
51°
6
60°
47°
7
65°
46°
8
74°
42°
9
79°
55°
10
74°
58°
11
75°
51°
12
80°
47°
13
78°
56°
14
71°
49°
15
81°
65°
16
83°
66°
17
92°
68°
18
88°
69°
19
84°
66°
20
76°
59°
21
72°
59°
22
73°
58°
23
73°
61°
24
78°
62°
25
80°
63°
26
79°
64°
27
80°
60°
28
79°
64°
29
80°
64°
30
77°
62°
31
75°
60°
1
76°
60°
2
76°
58°
3
77°
60°
4
77°
62°
5
84°
66°
6
85°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Semiway
Semiway's May 2026 forecast shows daily high temperatures ranging from 71° to 92°, with overnight lows between 49° and 69°. The average high for May is 79° with an average low of 62°. 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 Semiway. See also: June | July | August.