S
M
T
W
T
F
S
27
69°
59°
28
72°
60°
29
75°
59°
30
68°
61°
31
78°
62°
1
70°
61°
2
67°
59°
3
69°
58°
4
71°
58°
5
72°
57°
6
76°
57°
7
79°
61°
8
83°
59°
9
75°
60°
10
76°
60°
11
73°
62°
12
72°
60°
13
68°
62°
14
76°
62°
15
74°
58°
16
68°
65°
17
71°
62°
18
74°
61°
19
75°
57°
20
76°
57°
21
87°
59°
22
78°
59°
23
71°
59°
24
72°
62°
25
74°
63°
26
77°
63°
27
73°
61°
28
78°
60°
29
74°
61°
30
78°
58°
31
90°
60°
1
85°
62°
2
79°
64°
3
73°
60°
4
71°
61°
5
71°
62°
6
69°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Union City
Union City's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Union City. See also: September | October | November.
