S
M
T
W
T
F
S
26
79°
61°
27
80°
62°
28
81°
61°
29
80°
60°
30
78°
60°
31
80°
61°
1
82°
62°
2
80°
60°
3
74°
56°
4
73°
54°
5
73°
53°
6
74°
54°
7
73°
54°
8
74°
55°
9
73°
53°
10
74°
59°
11
77°
57°
12
76°
60°
13
78°
61°
14
80°
59°
15
76°
58°
16
77°
60°
17
78°
58°
18
76°
57°
19
71°
55°
20
71°
52°
21
72°
54°
22
74°
58°
23
76°
58°
24
71°
52°
25
70°
56°
26
70°
57°
27
71°
49°
28
69°
52°
29
73°
54°
30
75°
53°
31
73°
54°
1
71°
56°
2
72°
55°
3
74°
54°
4
73°
50°
5
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Bad Honnef
Bad Honnef's August 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 49° and 62°. The average high for August is 75° with an average low of 56°. 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 Bad Honnef. See also: September | October | November.
