S
M
T
W
T
F
S
26
92°
72°
27
86°
70°
28
80°
65°
29
80°
62°
30
87°
63°
31
81°
70°
1
73°
65°
2
78°
65°
3
83°
62°
4
85°
68°
5
79°
67°
6
79°
66°
7
82°
69°
8
87°
67°
9
86°
69°
10
82°
65°
11
84°
66°
12
77°
65°
13
82°
64°
14
81°
64°
15
79°
62°
16
82°
63°
17
81°
62°
18
86°
67°
19
86°
67°
20
81°
66°
21
83°
66°
22
84°
67°
23
83°
66°
24
81°
66°
25
81°
65°
26
82°
65°
27
80°
62°
28
77°
64°
29
80°
63°
30
81°
64°
31
82°
63°
1
81°
64°
2
78°
63°
3
79°
63°
4
79°
62°
5
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Elmhurst
Elmhurst's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 62° and 69°. The average high for August is 82° with an average low of 65°. 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 Elmhurst. See also: September | October | November.
