S
M
T
W
T
F
S
26
65°
47°
27
79°
39°
28
71°
51°
29
66°
53°
30
55°
39°
1
63°
32°
2
55°
33°
3
59°
32°
4
73°
48°
5
76°
59°
6
62°
52°
7
62°
42°
8
67°
35°
9
68°
51°
10
67°
50°
11
65°
42°
12
73°
36°
13
69°
47°
14
51°
40°
15
70°
49°
16
76°
60°
17
85°
61°
18
93°
66°
19
93°
67°
20
74°
52°
21
68°
46°
22
73°
50°
23
77°
54°
24
78°
53°
25
82°
56°
26
79°
57°
27
80°
58°
28
77°
52°
29
78°
58°
30
78°
56°
31
72°
52°
1
72°
51°
2
73°
50°
3
72°
50°
4
74°
52°
5
80°
59°
6
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Union
West Union's May 2026 forecast shows daily high temperatures ranging from 68° to 93°, with overnight lows between 46° and 67°. The average high for May is 78° with an average low of 55°. 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 West Union. See also: June | July | August.
