S
M
T
W
T
F
S
31
71°
41°
1
76°
36°
2
80°
36°
3
75°
42°
4
75°
43°
5
75°
46°
6
65°
38°
7
71°
50°
8
67°
47°
9
60°
44°
10
60°
45°
11
63°
44°
12
69°
46°
13
77°
47°
14
84°
48°
15
84°
51°
16
85°
49°
17
89°
59°
18
77°
54°
19
75°
52°
20
75°
49°
21
79°
55°
22
80°
52°
23
70°
44°
24
69°
45°
25
74°
50°
26
80°
56°
27
81°
56°
28
83°
57°
29
84°
57°
30
85°
58°
1
86°
56°
2
80°
57°
3
85°
58°
4
86°
59°
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 60° to 89°, with overnight lows between 38° and 59°. The average high for June is 77° with an average low of 51°. 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.
