S
M
T
W
T
F
S
26
66°
28°
27
68°
30°
28
68°
32°
29
51°
36°
30
N/A
1
56°
34°
2
57°
40°
3
46°
35°
4
61°
39°
5
66°
48°
6
63°
46°
7
61°
42°
8
58°
36°
9
55°
38°
10
58°
41°
11
56°
40°
12
60°
39°
13
62°
38°
14
59°
38°
15
62°
40°
16
60°
37°
17
60°
38°
18
61°
42°
19
60°
43°
20
67°
42°
21
67°
42°
22
68°
38°
23
61°
40°
24
60°
40°
25
63°
42°
26
64°
40°
27
63°
40°
28
64°
46°
29
62°
45°
30
64°
46°
31
64°
44°
1
65°
41°
2
64°
41°
3
65°
42°
4
65°
42°
5
64°
43°
6
65°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Millville
Millville's May 2026 forecast shows daily high temperatures ranging from 46° to 68°, with overnight lows between 34° and 48°. The average high for May is 62° with an average low of 41°. 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 Millville. See also: June | July | August.