S
M
T
W
T
F
S
26
78°
60°
27
77°
63°
28
79°
63°
29
79°
62°
30
78°
63°
31
79°
63°
1
78°
64°
2
79°
62°
3
71°
57°
4
71°
58°
5
72°
58°
6
71°
56°
7
71°
55°
8
72°
54°
9
72°
54°
10
73°
58°
11
76°
56°
12
74°
62°
13
77°
64°
14
78°
63°
15
78°
60°
16
75°
61°
17
76°
62°
18
75°
54°
19
69°
55°
20
69°
52°
21
70°
58°
22
72°
58°
23
74°
59°
24
74°
53°
25
68°
53°
26
69°
57°
27
70°
50°
28
68°
51°
29
68°
52°
30
70°
50°
31
67°
51°
1
66°
52°
2
69°
54°
3
70°
55°
4
68°
54°
5
67°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Altomünster
Altomünster's August 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 50° and 64°. The average high for August is 73° 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 August weather will actually feel in Altomünster. See also: September | October | November.