S
M
T
W
T
F
S
26
58°
43°
27
71°
39°
28
58°
42°
29
59°
49°
30
65°
48°
1
67°
38°
2
60°
45°
3
62°
42°
4
75°
39°
5
84°
58°
6
69°
56°
7
66°
50°
8
68°
42°
9
64°
51°
10
75°
49°
11
64°
48°
12
67°
38°
13
73°
53°
14
60°
51°
15
70°
50°
16
81°
61°
17
86°
63°
18
93°
67°
19
95°
69°
20
89°
55°
21
67°
48°
22
69°
47°
23
76°
54°
24
75°
57°
25
78°
56°
26
79°
59°
27
79°
56°
28
81°
59°
29
79°
56°
30
81°
59°
31
80°
60°
1
80°
59°
2
77°
59°
3
73°
60°
4
75°
60°
5
77°
57°
6
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Millersville
Millersville's May 2026 forecast shows daily high temperatures ranging from 67° to 95°, with overnight lows between 47° and 69°. The average high for May is 79° with an average low of 58°. 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 Millersville. See also: June | July | August.