S
M
T
W
T
F
S
26
61°
43°
27
74°
39°
28
73°
51°
29
62°
49°
30
52°
40°
1
53°
36°
2
46°
34°
3
60°
47°
4
73°
59°
5
71°
54°
6
58°
45°
7
53°
38°
8
54°
42°
9
56°
43°
10
60°
44°
11
63°
43°
12
63°
46°
13
67°
50°
14
69°
51°
15
68°
49°
16
73°
54°
17
75°
55°
18
75°
54°
19
70°
54°
20
76°
53°
21
73°
52°
22
69°
46°
23
64°
46°
24
66°
48°
25
67°
49°
26
67°
49°
27
68°
47°
28
67°
48°
29
68°
48°
30
69°
49°
31
75°
58°
1
70°
54°
2
71°
51°
3
71°
56°
4
73°
57°
5
76°
58°
6
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Weirton
Weirton's May 2026 forecast shows daily high temperatures ranging from 46° to 80°, with overnight lows between 34° and 59°. The average high for May is 67° with an average low of 50°. 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 Weirton. See also: June | July | August.
