S
M
T
W
T
F
S
26
73°
50°
27
73°
51°
28
71°
52°
29
73°
51°
30
71°
51°
31
72°
50°
1
74°
51°
2
78°
54°
3
75°
55°
4
77°
54°
5
79°
54°
6
81°
53°
7
81°
54°
8
82°
55°
9
82°
56°
10
81°
58°
11
83°
59°
12
83°
59°
13
82°
58°
14
82°
59°
15
81°
58°
16
82°
58°
17
81°
57°
18
81°
58°
19
79°
54°
20
73°
51°
21
74°
48°
22
73°
49°
23
73°
49°
24
74°
54°
25
76°
55°
26
73°
50°
27
73°
53°
28
74°
49°
29
75°
52°
30
71°
52°
31
74°
56°
1
79°
55°
2
78°
53°
3
79°
50°
4
70°
52°
5
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rosenheim
Rosenheim's August 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 48° and 59°. The average high for August is 77° with an average low of 54°. 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 Rosenheim. See also: September | October | November.