S
M
T
W
T
F
S
28
90°
72°
29
81°
64°
30
81°
57°
1
79°
55°
2
79°
55°
3
75°
52°
4
79°
50°
5
73°
61°
6
79°
60°
7
77°
56°
8
72°
55°
9
77°
57°
10
82°
59°
11
85°
60°
12
83°
61°
13
81°
59°
14
82°
58°
15
81°
59°
16
81°
59°
17
76°
57°
18
78°
58°
19
72°
56°
20
67°
53°
21
66°
54°
22
70°
55°
23
67°
53°
24
67°
54°
25
68°
57°
26
68°
55°
27
72°
55°
28
67°
53°
29
74°
60°
30
75°
61°
31
74°
57°
1
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Altena
Altena's July 2026 forecast shows daily high temperatures ranging from 66° to 85°, with overnight lows between 53° and 61°. The average high for July is 75° with an average low of 57°. 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 Altena. See also: August | September | October.