S
M
T
W
T
F
S
26
70°
63°
27
75°
59°
28
86°
54°
29
94°
71°
30
91°
63°
31
84°
59°
1
79°
56°
2
85°
63°
3
86°
68°
4
83°
63°
5
74°
57°
6
73°
56°
7
75°
57°
8
73°
58°
9
75°
57°
10
77°
58°
11
74°
56°
12
75°
59°
13
74°
58°
14
76°
60°
15
77°
60°
16
77°
61°
17
78°
62°
18
78°
60°
19
75°
59°
20
75°
60°
21
74°
59°
22
74°
57°
23
70°
56°
24
72°
59°
25
72°
58°
26
73°
59°
27
74°
60°
28
74°
58°
29
70°
57°
30
70°
56°
31
67°
53°
1
69°
52°
2
65°
53°
3
66°
55°
4
66°
50°
5
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Aachen
Aachen's August 2026 forecast shows daily high temperatures ranging from 64° to 94°, with overnight lows between 50° and 71°. The average high for August is 75° 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 Aachen. See also: September | October | November.
