S
M
T
W
T
F
S
31
70°
43°
1
69°
45°
2
73°
48°
3
76°
48°
4
79°
52°
5
81°
62°
6
80°
59°
7
77°
52°
8
83°
63°
9
85°
69°
10
81°
67°
11
85°
66°
12
83°
63°
13
84°
64°
14
77°
57°
15
75°
60°
16
74°
58°
17
75°
58°
18
74°
57°
19
73°
56°
20
73°
59°
21
76°
60°
22
74°
61°
23
73°
60°
24
73°
60°
25
78°
61°
26
75°
62°
27
80°
61°
28
75°
60°
29
73°
58°
30
75°
62°
1
79°
61°
2
76°
60°
3
74°
61°
4
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Union City
Union City's June 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 52° and 69°. The average high for June is 77° with an average low of 61°. 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 City. See also: July | August | September.