S
M
T
W
T
F
S
26
72°
61°
27
70°
57°
28
N/A
29
99°
58°
30
95°
60°
31
87°
61°
1
86°
60°
2
91°
63°
3
93°
62°
4
88°
60°
5
89°
59°
6
85°
57°
7
80°
53°
8
78°
52°
9
80°
53°
10
79°
60°
11
78°
58°
12
77°
57°
13
78°
58°
14
79°
60°
15
79°
61°
16
78°
61°
17
80°
60°
18
81°
63°
19
80°
62°
20
81°
61°
21
79°
62°
22
80°
62°
23
79°
61°
24
77°
60°
25
76°
59°
26
75°
58°
27
74°
58°
28
72°
57°
29
70°
58°
30
73°
56°
31
75°
58°
1
75°
57°
2
72°
56°
3
70°
54°
4
66°
54°
5
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Idar-Oberstein
Idar-Oberstein's August 2026 forecast shows daily high temperatures ranging from 66° to 99°, with overnight lows between 51° and 63°. The average high for August is 80° 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 Idar-Oberstein. See also: September | October | November.