S
M
T
W
T
F
S
26
59°
44°
27
72°
38°
28
63°
43°
29
62°
49°
30
68°
48°
1
66°
42°
2
64°
48°
3
63°
44°
4
74°
47°
5
84°
57°
6
72°
60°
7
69°
52°
8
72°
44°
9
69°
54°
10
83°
48°
11
64°
49°
12
70°
39°
13
78°
55°
14
67°
53°
15
70°
51°
16
83°
49°
17
87°
63°
18
92°
62°
19
96°
68°
20
92°
61°
21
65°
56°
22
65°
53°
23
57°
54°
24
66°
59°
25
72°
60°
26
77°
61°
27
79°
60°
28
77°
60°
29
77°
59°
30
78°
60°
31
77°
62°
1
81°
61°
2
79°
59°
3
81°
63°
4
82°
64°
5
83°
65°
6
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pennsville
Pennsville's May 2026 forecast shows daily high temperatures ranging from 57° to 92°, with overnight lows between 53° and 65°. The average high for May is 76° with an average low of 60°. 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 Pennsville. See also: June | July | August.