S
M
T
W
T
F
S
29
71°
31°
30
76°
57°
31
81°
63°
1
82°
66°
2
83°
64°
3
85°
64°
4
80°
51°
5
61°
39°
6
68°
33°
7
60°
37°
8
73°
36°
9
75°
50°
10
77°
50°
11
77°
56°
12
84°
51°
13
76°
65°
14
82°
64°
15
83°
64°
16
80°
53°
17
82°
47°
18
74°
46°
19
63°
36°
20
67°
37°
21
79°
51°
22
80°
51°
23
82°
59°
24
79°
60°
25
76°
54°
26
83°
64°
27
83°
60°
28
75°
51°
29
76°
52°
30
71°
49°
1
67°
50°
2
68°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Union City
Union City's April 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 49° and 64°. The average high for April is 77° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Union City. See also: May | June | July.