S
M
T
W
T
F
S
26
80°
57°
27
81°
58°
28
80°
60°
29
81°
59°
30
79°
60°
31
82°
58°
1
82°
61°
2
81°
58°
3
74°
57°
4
75°
58°
5
78°
57°
6
79°
57°
7
79°
58°
8
81°
58°
9
81°
57°
10
80°
57°
11
80°
60°
12
81°
59°
13
81°
58°
14
80°
59°
15
81°
60°
16
82°
61°
17
81°
57°
18
77°
55°
19
75°
57°
20
80°
58°
21
82°
58°
22
76°
54°
23
78°
54°
24
77°
56°
25
78°
54°
26
Hist. Avg.
79°
57°
27
Hist. Avg.
79°
57°
28
Hist. Avg.
79°
57°
29
Hist. Avg.
79°
57°
30
Hist. Avg.
79°
57°
31
Hist. Avg.
79°
57°
1
Hist. Avg.
79°
57°
2
Hist. Avg.
79°
57°
3
Hist. Avg.
79°
57°
4
Hist. Avg.
79°
57°
5
Hist. Avg.
79°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Union City
Union City's August 2026 forecast shows daily high temperatures ranging from 74° to 82°, with overnight lows between 54° and 61°. The average high for August is 79° with an average low of 58°. 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.
