S
M
T
W
T
F
S
26
N/A
27
N/A
28
N/A
29
N/A
30
N/A
1
N/A
2
N/A
3
N/A
4
N/A
5
N/A
6
N/A
7
N/A
8
N/A
9
N/A
10
N/A
11
N/A
12
N/A
13
N/A
14
N/A
15
N/A
16
N/A
17
N/A
18
N/A
19
N/A
20
N/A
21
N/A
22
N/A
23
N/A
24
N/A
25
89°
46°
26
64°
42°
27
56°
40°
28
68°
47°
29
63°
46°
30
73°
44°
31
76°
45°
1
81°
44°
2
86°
51°
3
85°
54°
4
82°
52°
5
82°
51°
6
79°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mill City
Mill City's May 2026 forecast shows daily high temperatures ranging from 56° to 89°, with overnight lows between 40° and 54°. The average high for May is 76° with an average low of 47°. 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 City. See also: June | July | August.