S
M
T
W
T
F
S
31
80°
46°
1
81°
50°
2
81°
54°
3
88°
51°
4
92°
56°
5
91°
59°
6
89°
66°
7
92°
67°
8
80°
62°
9
83°
67°
10
85°
70°
11
93°
72°
12
95°
68°
13
88°
65°
14
87°
66°
15
82°
65°
16
81°
62°
17
81°
61°
18
80°
65°
19
86°
66°
20
87°
66°
21
82°
62°
22
85°
66°
23
80°
66°
24
81°
64°
25
85°
66°
26
86°
67°
27
87°
67°
28
86°
66°
29
81°
64°
30
83°
67°
1
85°
68°
2
86°
67°
3
82°
66°
4
83°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mount Union
Mount Union's June 2026 forecast shows daily high temperatures ranging from 80° to 95°, with overnight lows between 61° and 72°. The average high for June is 84° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Mount Union. See also: July | August | September.