S
M
T
W
T
F
S
26
81°
64°
27
82°
65°
28
82°
64°
29
81°
65°
30
82°
66°
31
81°
65°
1
79°
64°
2
74°
62°
3
75°
59°
4
74°
64°
5
74°
64°
6
75°
60°
7
75°
60°
8
77°
62°
9
79°
64°
10
80°
64°
11
80°
63°
12
79°
64°
13
79°
63°
14
81°
61°
15
81°
64°
16
75°
64°
17
76°
63°
18
79°
64°
19
80°
62°
20
75°
57°
21
75°
55°
22
73°
55°
23
73°
58°
24
74°
57°
25
73°
55°
26
73°
62°
27
74°
59°
28
75°
55°
29
72°
56°
30
72°
54°
31
71°
53°
1
70°
55°
2
71°
58°
3
70°
59°
4
71°
54°
5
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Westmont
Westmont's August 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 53° and 66°. The average high for August is 76° with an average low of 60°. 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 Westmont. See also: September | October | November.
