S
M
T
W
T
F
S
26
87°
66°
27
85°
66°
28
84°
65°
29
83°
65°
30
81°
64°
31
77°
64°
1
77°
63°
2
80°
64°
3
83°
63°
4
78°
61°
5
77°
60°
6
76°
59°
7
81°
64°
8
78°
63°
9
82°
63°
10
81°
62°
11
80°
62°
12
82°
63°
13
83°
64°
14
82°
63°
15
78°
62°
16
75°
62°
17
75°
61°
18
80°
62°
19
82°
62°
20
81°
61°
21
73°
51°
22
72°
53°
23
73°
53°
24
72°
58°
25
74°
58°
26
75°
58°
27
73°
62°
28
81°
60°
29
83°
52°
30
79°
52°
31
75°
57°
1
73°
58°
2
73°
56°
3
80°
61°
4
82°
57°
5
80°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Union Grove
Union Grove's August 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 51° and 66°. The average high for August is 79° with an average low of 60°. 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 Grove. See also: September | October | November.
