S
M
T
W
T
F
S
31
75°
62°
1
83°
66°
2
73°
58°
3
80°
52°
4
85°
55°
5
87°
58°
6
87°
62°
7
88°
63°
8
92°
67°
9
87°
72°
10
87°
71°
11
93°
71°
12
97°
72°
13
94°
72°
14
92°
73°
15
89°
72°
16
82°
67°
17
80°
64°
18
83°
66°
19
87°
69°
20
88°
68°
21
89°
69°
22
90°
69°
23
91°
67°
24
85°
65°
25
88°
69°
26
91°
70°
27
91°
69°
28
85°
65°
29
86°
64°
30
86°
65°
1
91°
68°
2
91°
70°
3
90°
71°
4
91°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Union
Union's June 2026 forecast shows daily high temperatures ranging from 80° to 97°, with overnight lows between 64° and 73°. The average high for June is 89° with an average low of 69°. 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 Union. See also: July | August | September.
