S
M
T
W
T
F
S
28
95°
73°
29
79°
64°
30
N/A
1
72°
50°
2
79°
53°
3
72°
47°
4
74°
53°
5
76°
52°
6
74°
51°
7
82°
55°
8
81°
53°
9
82°
54°
10
85°
56°
11
88°
56°
12
89°
57°
13
74°
58°
14
75°
59°
15
74°
56°
16
71°
56°
17
70°
59°
18
71°
56°
19
69°
54°
20
67°
56°
21
69°
54°
22
74°
59°
23
76°
59°
24
75°
58°
25
76°
59°
26
77°
60°
27
78°
61°
28
79°
60°
29
78°
61°
30
78°
61°
31
77°
60°
1
79°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Ilmenau
Ilmenau's July 2026 forecast shows daily high temperatures ranging from 67° to 89°, with overnight lows between 47° and 62°. The average high for July is 76° 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 July weather will actually feel in Ilmenau. See also: August | September | October.