S
M
T
W
T
F
S
26
65°
51°
27
61°
50°
28
69°
46°
29
81°
52°
30
87°
58°
31
74°
54°
1
67°
51°
2
74°
56°
3
84°
65°
4
87°
65°
5
80°
61°
6
75°
52°
7
70°
52°
8
69°
52°
9
64°
51°
10
68°
53°
11
71°
55°
12
73°
57°
13
74°
58°
14
71°
56°
15
70°
58°
16
69°
57°
17
70°
58°
18
70°
57°
19
67°
51°
20
63°
50°
21
63°
50°
22
62°
50°
23
62°
50°
24
63°
49°
25
63°
55°
26
69°
56°
27
68°
55°
28
66°
50°
29
64°
52°
30
67°
51°
31
65°
50°
1
67°
55°
2
68°
55°
3
63°
52°
4
61°
50°
5
61°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Osterode am Harz
Osterode am Harz's August 2026 forecast shows daily high temperatures ranging from 61° to 87°, with overnight lows between 49° and 65°. The average high for August is 69° with an average low of 54°. 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 Osterode am Harz. See also: September | October | November.