S
M
T
W
T
F
S
26
74°
60°
27
75°
61°
28
74°
60°
29
74°
60°
30
73°
59°
31
75°
61°
1
76°
61°
2
76°
59°
3
73°
58°
4
70°
58°
5
72°
58°
6
74°
60°
7
73°
59°
8
72°
58°
9
71°
59°
10
67°
51°
11
66°
54°
12
67°
51°
13
65°
51°
14
65°
50°
15
66°
50°
16
65°
51°
17
65°
55°
18
66°
50°
19
64°
54°
20
68°
49°
21
64°
50°
22
64°
52°
23
67°
55°
24
64°
56°
25
65°
55°
26
65°
49°
27
63°
54°
28
63°
49°
29
64°
55°
30
68°
54°
31
69°
55°
1
69°
55°
2
68°
54°
3
68°
54°
4
67°
48°
5
61°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Monschau
Monschau's August 2026 forecast shows daily high temperatures ranging from 61° to 76°, with overnight lows between 47° and 61°. The average high for August is 68° 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 Monschau. See also: September | October | November.