S
M
T
W
T
F
S
26
76°
60°
27
78°
58°
28
80°
58°
29
80°
59°
30
81°
58°
31
86°
66°
1
86°
66°
2
84°
59°
3
77°
61°
4
82°
67°
5
84°
66°
6
85°
63°
7
78°
59°
8
76°
59°
9
76°
60°
10
77°
60°
11
80°
61°
12
80°
57°
13
76°
58°
14
75°
57°
15
76°
58°
16
75°
56°
17
74°
56°
18
74°
54°
19
75°
55°
20
74°
58°
21
75°
55°
22
75°
55°
23
76°
56°
24
73°
58°
25
75°
57°
26
77°
59°
27
78°
60°
28
77°
59°
29
72°
56°
30
71°
54°
31
71°
53°
1
72°
53°
2
70°
51°
3
70°
51°
4
71°
55°
5
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grunbach
Grunbach's August 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 51° and 67°. The average high for August is 77° 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 Grunbach. See also: September | October | November.