S
M
T
W
T
F
S
26
63°
36°
27
73°
38°
28
68°
55°
29
62°
48°
30
53°
39°
1
57°
35°
2
49°
36°
3
57°
36°
4
74°
47°
5
74°
48°
6
49°
44°
7
57°
37°
8
56°
38°
9
63°
37°
10
59°
40°
11
55°
34°
12
60°
33°
13
69°
45°
14
51°
44°
15
63°
44°
16
78°
56°
17
75°
55°
18
91°
67°
19
83°
61°
20
71°
45°
21
61°
45°
22
65°
49°
23
68°
50°
24
71°
56°
25
73°
58°
26
75°
60°
27
71°
52°
28
67°
51°
29
67°
55°
30
68°
56°
31
70°
52°
1
67°
49°
2
67°
48°
3
68°
48°
4
68°
49°
5
70°
57°
6
71°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Seneca Knolls
Seneca Knolls's May 2026 forecast shows daily high temperatures ranging from 51° to 91°, with overnight lows between 44° and 67°. The average high for May is 70° 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 Seneca Knolls. See also: June | July | August.