S
M
T
W
T
F
S
26
81°
59°
27
74°
61°
28
74°
53°
29
88°
59°
30
99°
63°
31
86°
66°
1
71°
58°
2
76°
50°
3
87°
57°
4
87°
67°
5
89°
67°
6
81°
65°
7
72°
57°
8
76°
51°
9
92°
54°
10
87°
65°
11
73°
55°
12
78°
45°
13
83°
53°
14
91°
56°
15
96°
62°
16
76°
62°
17
70°
58°
18
72°
55°
19
70°
61°
20
76°
60°
21
78°
54°
22
70°
57°
23
67°
52°
24
N/A
25
76°
56°
26
77°
57°
27
81°
63°
28
82°
62°
29
76°
60°
30
75°
61°
31
74°
56°
1
72°
54°
2
70°
54°
3
72°
55°
4
72°
54°
5
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Frohnau
Frohnau's August 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 54° and 63°. The average high for August is 75° with an average low of 57°. 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 Frohnau. See also: September | October | November.