S
M
T
W
T
F
S
26
79°
60°
27
80°
62°
28
79°
60°
29
80°
61°
30
81°
66°
31
86°
66°
1
87°
67°
2
87°
66°
3
86°
66°
4
86°
59°
5
80°
57°
6
78°
57°
7
78°
58°
8
79°
57°
9
79°
58°
10
80°
60°
11
81°
62°
12
83°
64°
13
86°
65°
14
85°
66°
15
87°
62°
16
86°
58°
17
79°
57°
18
79°
57°
19
80°
59°
20
79°
58°
21
77°
60°
22
80°
57°
23
82°
64°
24
84°
64°
25
79°
57°
26
82°
57°
27
80°
64°
28
78°
64°
29
85°
63°
30
86°
64°
31
84°
62°
1
82°
61°
2
83°
59°
3
81°
60°
4
76°
62°
5
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Elgin
South Elgin's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 57° and 67°. The average high for August is 82° with an average low of 61°. 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 South Elgin. See also: September | October | November.
