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