S
M
T
W
T
F
S
26
68°
42°
27
58°
48°
28
61°
43°
29
52°
35°
30
51°
30°
1
48°
29°
2
61°
30°
3
72°
42°
4
73°
38°
5
53°
34°
6
49°
28°
7
54°
30°
8
68°
30°
9
61°
33°
10
60°
27°
11
60°
29°
12
78°
38°
13
64°
44°
14
72°
32°
15
82°
57°
16
84°
50°
17
68°
62°
18
80°
60°
19
64°
41°
20
58°
42°
21
63°
44°
22
69°
51°
23
72°
52°
24
73°
54°
25
72°
53°
26
73°
54°
27
72°
56°
28
73°
49°
29
67°
49°
30
66°
49°
31
68°
50°
1
68°
46°
2
69°
46°
3
69°
51°
4
71°
57°
5
79°
59°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Seneca
Seneca's May 2026 forecast shows daily high temperatures ranging from 58° to 84°, with overnight lows between 41° and 62°. The average high for May is 71° with an average low of 52°. 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 Seneca. See also: June | July | August.
