S
M
T
W
T
F
S
26
58°
44°
27
74°
39°
28
58°
52°
29
58°
54°
30
68°
45°
1
66°
37°
2
62°
42°
3
66°
37°
4
77°
42°
5
84°
60°
6
69°
56°
7
73°
51°
8
70°
41°
9
63°
52°
10
69°
50°
11
67°
48°
12
73°
42°
13
71°
53°
14
57°
49°
15
76°
51°
16
82°
49°
17
90°
60°
18
97°
64°
19
96°
72°
20
89°
68°
21
71°
55°
22
65°
51°
23
53°
49°
24
62°
58°
25
75°
62°
26
74°
63°
27
78°
63°
28
79°
57°
29
76°
53°
30
73°
52°
31
71°
54°
1
73°
56°
2
76°
60°
3
77°
58°
4
75°
57°
5
77°
58°
6
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Union
Mount Union's May 2026 forecast shows daily high temperatures ranging from 53° to 79°, with overnight lows between 49° and 63°. The average high for May is 73° with an average low of 57°. 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 Mount Union. See also: June | July | August.
