S
M
T
W
T
F
S
26
85°
67°
27
82°
67°
28
82°
65°
29
83°
67°
30
83°
67°
31
87°
68°
1
85°
67°
2
83°
66°
3
89°
67°
4
85°
64°
5
82°
64°
6
83°
62°
7
82°
60°
8
83°
61°
9
82°
59°
10
82°
60°
11
84°
66°
12
88°
67°
13
88°
64°
14
87°
60°
15
82°
64°
16
82°
66°
17
83°
59°
18
82°
61°
19
82°
59°
20
83°
59°
21
84°
65°
22
87°
65°
23
87°
63°
24
88°
64°
25
87°
63°
26
88°
64°
27
87°
63°
28
86°
64°
29
86°
64°
30
85°
57°
31
81°
55°
1
79°
54°
2
78°
55°
3
78°
56°
4
79°
55°
5
79°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Germantown
Germantown's August 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 54° and 68°. The average high for August is 84° with an average low of 62°. 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 Germantown. See also: September | October | November.