S
M
T
W
T
F
S
26
72°
58°
27
74°
60°
28
81°
51°
29
73°
52°
30
79°
51°
31
72°
53°
1
73°
53°
2
77°
51°
3
76°
50°
4
73°
49°
5
73°
48°
6
74°
49°
7
73°
51°
8
75°
58°
9
79°
58°
10
81°
50°
11
73°
50°
12
72°
51°
13
72°
49°
14
73°
54°
15
74°
51°
16
73°
51°
17
72°
50°
18
71°
49°
19
72°
50°
20
73°
52°
21
75°
55°
22
77°
55°
23
78°
53°
24
76°
51°
25
72°
55°
26
76°
54°
27
74°
48°
28
69°
49°
29
69°
48°
30
68°
47°
31
70°
50°
1
72°
49°
2
68°
48°
3
67°
46°
4
66°
49°
5
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Altenthann
Altenthann's August 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 46° and 60°. The average high for August is 73° with an average low of 51°. 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 Altenthann. See also: September | October | November.