S
M
T
W
T
F
S
26
98°
73°
27
100°
74°
28
92°
68°
29
91°
73°
30
84°
68°
31
81°
64°
1
83°
58°
2
86°
57°
3
88°
63°
4
76°
57°
5
78°
58°
6
80°
54°
7
87°
58°
8
80°
54°
9
86°
70°
10
86°
72°
11
91°
65°
12
87°
69°
13
82°
66°
14
81°
68°
15
83°
68°
16
80°
64°
17
84°
61°
18
83°
64°
19
79°
63°
20
84°
63°
21
86°
62°
22
83°
60°
23
74°
63°
24
80°
63°
25
84°
62°
26
78°
59°
27
75°
58°
28
86°
66°
29
87°
65°
30
91°
68°
31
91°
67°
1
92°
68°
2
79°
55°
3
73°
53°
4
74°
62°
5
72°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Elgin
Elgin's August 2026 forecast shows daily high temperatures ranging from 72° to 92°, with overnight lows between 53° and 68°. The average high for August is 82° with an average low of 62°. 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 Elgin. See also: September | October | November.
