S
M
T
W
T
F
S
26
86°
68°
27
84°
64°
28
91°
54°
29
100°
61°
30
104°
64°
31
93°
63°
1
88°
68°
2
93°
70°
3
97°
68°
4
95°
67°
5
89°
66°
6
87°
63°
7
83°
60°
8
83°
60°
9
83°
60°
10
86°
62°
11
85°
64°
12
85°
63°
13
87°
63°
14
83°
64°
15
78°
56°
16
76°
58°
17
72°
54°
18
70°
51°
19
70°
51°
20
71°
52°
21
69°
50°
22
69°
49°
23
70°
50°
24
72°
49°
25
76°
51°
26
77°
56°
27
76°
55°
28
74°
52°
29
73°
49°
30
72°
48°
31
74°
52°
1
72°
50°
2
67°
48°
3
67°
49°
4
68°
48°
5
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grenzach-Wyhlen
Grenzach-Wyhlen's August 2026 forecast shows daily high temperatures ranging from 65° to 97°, with overnight lows between 47° and 70°. The average high for August is 78° with an average low of 56°. 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 Grenzach-Wyhlen. See also: September | October | November.
