S
M
T
W
T
F
S
26
50°
42°
27
64°
38°
28
53°
46°
29
55°
49°
30
54°
39°
1
58°
34°
2
47°
35°
3
55°
32°
4
70°
44°
5
77°
53°
6
64°
46°
7
60°
44°
8
61°
38°
9
64°
51°
10
68°
46°
11
60°
41°
12
71°
38°
13
66°
46°
14
49°
43°
15
64°
43°
16
77°
43°
17
83°
61°
18
87°
55°
19
85°
67°
20
81°
60°
21
61°
49°
22
51°
46°
23
46°
43°
24
55°
46°
25
71°
54°
26
73°
64°
27
76°
57°
28
77°
51°
29
80°
51°
30
75°
47°
31
74°
50°
1
72°
49°
2
75°
48°
3
74°
53°
4
78°
52°
5
83°
55°
6
84°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wellersburg
Wellersburg's May 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 47° and 64°. The average high for May is 77° with an average low of 53°. 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 Wellersburg. See also: June | July | August.