S
M
T
W
T
F
S
26
64°
47°
27
76°
42°
28
74°
54°
29
60°
46°
30
55°
37°
1
53°
33°
2
49°
33°
3
61°
27°
4
73°
49°
5
73°
59°
6
60°
46°
7
60°
36°
8
67°
37°
9
70°
51°
10
66°
46°
11
67°
39°
12
70°
42°
13
72°
48°
14
63°
40°
15
68°
35°
16
72°
48°
17
84°
55°
18
89°
59°
19
88°
65°
20
73°
51°
21
67°
48°
22
61°
52°
23
77°
59°
24
73°
63°
25
77°
60°
26
79°
57°
27
73°
55°
28
77°
47°
29
77°
53°
30
76°
48°
31
75°
48°
1
77°
50°
2
76°
50°
3
78°
54°
4
79°
54°
5
83°
59°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Senecaville
Senecaville's May 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 47° and 61°. The average high for May is 78° 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 Senecaville. See also: June | July | August.