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
81°
57°
7
78°
57°
8
71°
54°
9
76°
54°
10
79°
56°
11
84°
60°
12
83°
58°
13
80°
60°
14
81°
58°
15
80°
57°
16
80°
58°
17
82°
57°
18
77°
57°
19
74°
54°
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 84°, with overnight lows between 53° and 61°. The average high for July is 74° 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 Altena. See also: August | September | October.