S
M
T
W
T
F
S
26
85°
61°
27
75°
60°
28
84°
53°
29
95°
59°
30
99°
66°
31
94°
63°
1
80°
65°
2
88°
60°
3
95°
63°
4
97°
69°
5
90°
70°
6
83°
66°
7
81°
57°
8
86°
54°
9
92°
60°
10
91°
58°
11
85°
50°
12
87°
50°
13
91°
53°
14
96°
60°
15
94°
64°
16
84°
60°
17
80°
58°
18
77°
55°
19
76°
54°
20
78°
54°
21
79°
58°
22
76°
56°
23
77°
59°
24
78°
60°
25
77°
60°
26
76°
59°
27
72°
55°
28
69°
51°
29
67°
52°
30
70°
58°
31
70°
56°
1
68°
55°
2
67°
54°
3
69°
51°
4
71°
55°
5
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Westheim
Westheim's August 2026 forecast shows daily high temperatures ranging from 67° to 96°, with overnight lows between 50° and 64°. 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 Westheim. See also: September | October | November.