S
M
T
W
T
F
S
26
81°
61°
27
82°
63°
28
83°
63°
29
83°
62°
30
80°
62°
31
82°
63°
1
83°
64°
2
81°
60°
3
75°
58°
4
74°
56°
5
74°
54°
6
75°
54°
7
74°
55°
8
74°
54°
9
75°
54°
10
77°
61°
11
80°
59°
12
79°
61°
13
80°
63°
14
81°
61°
15
76°
58°
16
79°
61°
17
80°
60°
18
79°
59°
19
73°
56°
20
72°
53°
21
72°
54°
22
75°
59°
23
78°
59°
24
72°
53°
25
71°
56°
26
71°
57°
27
72°
49°
28
70°
51°
29
73°
54°
30
75°
53°
31
74°
54°
1
72°
55°
2
71°
57°
3
75°
54°
4
75°
52°
5
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grolsheim
Grolsheim's August 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 49° and 64°. The average high for August is 76° with an average low of 57°. 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 Grolsheim. See also: September | October | November.