S
M
T
W
T
F
S
26
81°
61°
27
81°
61°
28
80°
60°
29
81°
59°
30
78°
58°
31
79°
60°
1
80°
59°
2
80°
60°
3
79°
60°
4
79°
59°
5
76°
56°
6
72°
52°
7
77°
58°
8
77°
55°
9
78°
58°
10
78°
59°
11
77°
58°
12
79°
59°
13
80°
61°
14
78°
56°
15
77°
54°
16
75°
56°
17
76°
54°
18
75°
57°
19
76°
56°
20
76°
53°
21
74°
50°
22
75°
49°
23
70°
50°
24
71°
56°
25
76°
51°
26
76°
49°
27
69°
52°
28
71°
48°
29
69°
49°
30
69°
51°
31
72°
48°
1
68°
48°
2
68°
52°
3
67°
48°
4
67°
47°
5
68°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Altendorf
Altendorf's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 47° and 61°. The average high for August is 75° with an average low of 55°. 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 Altendorf. See also: September | October | November.