S
M
T
W
T
F
S
26
82°
64°
27
81°
63°
28
79°
61°
29
78°
58°
30
77°
57°
31
79°
62°
1
80°
61°
2
81°
61°
3
78°
60°
4
78°
60°
5
73°
56°
6
75°
57°
7
79°
61°
8
77°
57°
9
78°
60°
10
78°
61°
11
79°
61°
12
80°
63°
13
82°
62°
14
77°
57°
15
72°
59°
16
73°
60°
17
72°
59°
18
73°
58°
19
74°
56°
20
76°
56°
21
76°
55°
22
77°
53°
23
73°
53°
24
73°
59°
25
77°
53°
26
76°
53°
27
70°
52°
28
70°
51°
29
71°
54°
30
70°
52°
31
69°
51°
1
69°
51°
2
70°
54°
3
69°
51°
4
68°
51°
5
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Heiligenhaus
Heiligenhaus's August 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 51° and 64°. 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 Heiligenhaus. See also: September | October | November.