S
M
T
W
T
F
S
26
77°
59°
27
73°
59°
28
86°
52°
29
97°
63°
30
99°
63°
31
88°
61°
1
81°
61°
2
88°
55°
3
97°
64°
4
91°
68°
5
88°
66°
6
77°
59°
7
75°
46°
8
86°
48°
9
88°
57°
10
88°
59°
11
81°
52°
12
90°
50°
13
95°
52°
14
99°
68°
15
91°
61°
16
84°
63°
17
66°
59°
18
68°
59°
19
72°
61°
20
77°
59°
21
73°
55°
22
66°
52°
23
68°
48°
24
74°
54°
25
73°
57°
26
78°
63°
27
85°
67°
28
77°
61°
29
74°
62°
30
75°
61°
31
72°
57°
1
70°
55°
2
70°
55°
3
71°
54°
4
72°
55°
5
71°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cologne
Cologne's August 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 54° and 67°. The average high for August is 74° with an average low of 58°. 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 Cologne. See also: September | October | November.
