S
M
T
W
T
F
S
26
89°
64°
27
87°
53°
28
94°
61°
29
102°
65°
30
107°
73°
31
102°
68°
1
99°
67°
2
97°
68°
3
97°
68°
4
95°
64°
5
96°
66°
6
92°
62°
7
82°
61°
8
84°
62°
9
83°
61°
10
82°
60°
11
81°
58°
12
81°
56°
13
80°
58°
14
81°
59°
15
81°
58°
16
80°
58°
17
82°
60°
18
83°
61°
19
82°
61°
20
82°
60°
21
81°
61°
22
81°
61°
23
82°
60°
24
80°
59°
25
77°
57°
26
75°
56°
27
74°
54°
28
74°
55°
29
71°
51°
30
75°
51°
31
78°
57°
1
77°
57°
2
75°
54°
3
71°
50°
4
68°
51°
5
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Müllheim
Müllheim's August 2026 forecast shows daily high temperatures ranging from 68° to 107°, with overnight lows between 50° and 73°. The average high for August is 84° with an average low of 59°. 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 Müllheim. See also: September | October | November.