S
M
T
W
T
F
S
26
89°
66°
27
89°
66°
28
90°
65°
29
89°
65°
30
86°
62°
31
81°
59°
1
82°
63°
2
80°
63°
3
81°
61°
4
86°
65°
5
87°
66°
6
87°
64°
7
81°
61°
8
80°
62°
9
81°
62°
10
83°
62°
11
84°
64°
12
86°
66°
13
88°
65°
14
89°
64°
15
88°
65°
16
90°
60°
17
87°
56°
18
80°
54°
19
78°
54°
20
79°
55°
21
80°
54°
22
80°
55°
23
81°
55°
24
80°
56°
25
83°
59°
26
85°
56°
27
84°
55°
28
79°
54°
29
80°
57°
30
83°
61°
31
84°
53°
1
84°
53°
2
77°
52°
3
78°
57°
4
80°
61°
5
85°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Schaumburg
Schaumburg's August 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 52° and 66°. The average high for August is 83° 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 Schaumburg. See also: September | October | November.
