S
M
T
W
T
F
S
26
83°
63°
27
83°
66°
28
86°
66°
29
87°
64°
30
86°
65°
31
87°
66°
1
87°
66°
2
86°
67°
3
88°
66°
4
88°
66°
5
89°
65°
6
89°
65°
7
87°
64°
8
87°
63°
9
86°
61°
10
86°
57°
11
79°
57°
12
80°
58°
13
80°
57°
14
81°
57°
15
80°
58°
16
82°
63°
17
80°
64°
18
83°
63°
19
83°
63°
20
86°
62°
21
85°
62°
22
79°
57°
23
86°
58°
24
78°
55°
25
78°
55°
26
Hist. Avg.
81°
64°
27
Hist. Avg.
81°
64°
28
Hist. Avg.
81°
63°
29
Hist. Avg.
81°
63°
30
Hist. Avg.
81°
63°
31
Hist. Avg.
80°
63°
1
Hist. Avg.
80°
62°
2
Hist. Avg.
80°
62°
3
Hist. Avg.
80°
62°
4
Hist. Avg.
80°
62°
5
Hist. Avg.
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Westmont
Westmont's August 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 55° and 67°. The average high for August is 84° with an average low of 62°. 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.
