S
M
T
W
T
F
S
26
61°
45°
27
72°
39°
28
68°
52°
29
64°
50°
30
50°
37°
1
57°
34°
2
46°
36°
3
59°
32°
4
72°
45°
5
75°
59°
6
63°
48°
7
55°
37°
8
54°
48°
9
60°
50°
10
60°
41°
11
50°
34°
12
52°
38°
13
56°
41°
14
57°
42°
15
64°
48°
16
64°
45°
17
66°
49°
18
68°
53°
19
69°
51°
20
70°
45°
21
62°
41°
22
61°
44°
23
62°
44°
24
63°
42°
25
64°
43°
26
65°
44°
27
65°
43°
28
66°
44°
29
68°
44°
30
70°
48°
31
74°
53°
1
69°
52°
2
71°
49°
3
74°
54°
4
75°
55°
5
75°
55°
6
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mill Run
Mill Run's May 2026 forecast shows daily high temperatures ranging from 50° to 75°, with overnight lows between 34° and 55°. The average high for May is 65° with an average low of 46°. 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 Mill Run. See also: June | July | August.