S
M
T
W
T
F
S
26
72°
61°
27
70°
57°
28
N/A
29
100°
58°
30
96°
59°
31
88°
63°
1
83°
59°
2
91°
63°
3
93°
62°
4
88°
60°
5
89°
59°
6
85°
57°
7
81°
56°
8
78°
54°
9
80°
53°
10
82°
54°
11
78°
58°
12
79°
60°
13
78°
60°
14
80°
61°
15
80°
60°
16
79°
62°
17
81°
62°
18
79°
61°
19
78°
60°
20
78°
61°
21
77°
60°
22
77°
58°
23
73°
56°
24
76°
60°
25
76°
57°
26
77°
60°
27
78°
61°
28
77°
59°
29
75°
58°
30
75°
57°
31
70°
52°
1
74°
53°
2
67°
54°
3
69°
56°
4
68°
50°
5
66°
50°
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 100°, with overnight lows between 50° and 63°. The average high for August is 79° 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.