S
M
T
W
T
F
S
26
76°
55°
27
80°
54°
28
74°
52°
29
74°
51°
30
80°
55°
31
81°
58°
1
79°
56°
2
76°
52°
3
73°
50°
4
74°
51°
5
74°
50°
6
80°
54°
7
81°
57°
8
81°
53°
9
73°
51°
10
78°
56°
11
73°
53°
12
73°
54°
13
80°
55°
14
81°
52°
15
80°
55°
16
79°
54°
17
78°
56°
18
81°
57°
19
81°
57°
20
79°
54°
21
73°
50°
22
73°
53°
23
74°
54°
24
74°
52°
25
73°
49°
26
72°
47°
27
72°
46°
28
73°
48°
29
72°
50°
30
78°
49°
31
72°
52°
1
73°
49°
2
71°
48°
3
71°
45°
4
72°
47°
5
71°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chiemsee
Chiemsee's August 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 44° and 58°. The average high for August is 76° with an average low of 52°. 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 Chiemsee. See also: September | October | November.