S
M
T
W
T
F
S
26
81°
68°
27
81°
67°
28
85°
62°
29
81°
59°
30
80°
58°
31
80°
58°
1
81°
59°
2
80°
58°
3
81°
59°
4
80°
60°
5
80°
63°
6
82°
60°
7
79°
59°
8
79°
60°
9
78°
59°
10
79°
59°
11
84°
60°
12
83°
59°
13
83°
64°
14
86°
65°
15
85°
65°
16
85°
57°
17
82°
58°
18
79°
59°
19
78°
64°
20
83°
65°
21
85°
64°
22
84°
63°
23
85°
60°
24
83°
59°
25
77°
63°
26
79°
56°
27
Hist. Avg.
81°
62°
28
Hist. Avg.
81°
61°
29
Hist. Avg.
80°
61°
30
Hist. Avg.
80°
61°
31
Hist. Avg.
80°
60°
1
Hist. Avg.
80°
60°
2
Hist. Avg.
80°
60°
3
Hist. Avg.
79°
60°
4
Hist. Avg.
79°
59°
5
Hist. Avg.
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in South Elgin
South Elgin's August 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 56° and 68°. 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.
