S
M
T
W
T
F
S
26
73°
48°
27
73°
48°
28
61°
43°
29
59°
38°
30
57°
35°
1
57°
35°
2
62°
28°
3
75°
46°
4
80°
46°
5
60°
37°
6
55°
36°
7
67°
37°
8
72°
44°
9
79°
43°
10
65°
38°
11
69°
49°
12
70°
45°
13
74°
48°
14
77°
50°
15
76°
51°
16
70°
49°
17
69°
51°
18
74°
51°
19
73°
52°
20
67°
48°
21
68°
49°
22
67°
48°
23
67°
49°
24
69°
55°
25
70°
56°
26
70°
54°
27
72°
56°
28
75°
53°
29
77°
56°
30
78°
58°
31
80°
59°
1
77°
54°
2
79°
60°
3
81°
62°
4
82°
60°
5
75°
60°
6
73°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Parkersburg
Parkersburg's May 2026 forecast shows daily high temperatures ranging from 55° to 82°, with overnight lows between 36° and 62°. The average high for May is 72° with an average low of 51°. 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 Parkersburg. See also: June | July | August.