S
M
T
W
T
F
S
26
72°
56°
27
73°
54°
28
74°
53°
29
74°
53°
30
75°
54°
31
75°
59°
1
76°
60°
2
80°
61°
3
80°
55°
4
74°
59°
5
77°
57°
6
75°
57°
7
76°
56°
8
77°
55°
9
73°
54°
10
72°
53°
11
73°
57°
12
73°
54°
13
72°
55°
14
72°
53°
15
73°
50°
16
72°
54°
17
73°
55°
18
75°
59°
19
72°
57°
20
71°
56°
21
71°
57°
22
72°
58°
23
72°
56°
24
71°
54°
25
70°
57°
26
74°
53°
27
74°
54°
28
73°
50°
29
69°
53°
30
69°
58°
31
75°
58°
1
76°
57°
2
76°
56°
3
75°
49°
4
71°
49°
5
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Unkel
Unkel's August 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 49° and 61°. The average high for August is 74° 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 Unkel. See also: September | October | November.