S
M
T
W
T
F
S
26
83°
67°
27
80°
67°
28
87°
68°
29
87°
68°
30
86°
67°
31
85°
68°
1
86°
68°
2
87°
69°
3
88°
68°
4
85°
67°
5
86°
67°
6
86°
68°
7
87°
66°
8
79°
63°
9
78°
64°
10
77°
65°
11
84°
67°
12
85°
68°
13
87°
69°
14
87°
67°
15
85°
66°
16
79°
64°
17
79°
63°
18
79°
65°
19
84°
65°
20
85°
64°
21
86°
65°
22
85°
61°
23
82°
58°
24
77°
57°
25
77°
57°
26
78°
58°
27
78°
57°
28
79°
56°
29
81°
60°
30
83°
63°
31
78°
64°
1
80°
64°
2
84°
59°
3
83°
54°
4
76°
55°
5
75°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Steger
Steger's August 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 54° and 69°. The average high for August is 82° with an average low of 64°. 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 Steger. See also: September | October | November.