S
M
T
W
T
F
S
26
89°
70°
27
84°
71°
28
81°
62°
29
80°
58°
30
84°
57°
31
78°
65°
1
72°
66°
2
77°
63°
3
83°
59°
4
85°
62°
5
81°
66°
6
80°
67°
7
85°
64°
8
82°
64°
9
82°
66°
10
83°
69°
11
78°
66°
12
85°
67°
13
79°
63°
14
78°
63°
15
78°
63°
16
78°
62°
17
79°
58°
18
81°
62°
19
80°
61°
20
79°
60°
21
78°
62°
22
82°
60°
23
86°
66°
24
77°
63°
25
80°
65°
26
83°
65°
27
84°
64°
28
84°
64°
29
76°
60°
30
75°
60°
31
75°
59°
1
76°
62°
2
77°
63°
3
76°
63°
4
82°
64°
5
83°
63°
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 75° to 86°, with overnight lows between 58° and 69°. The average high for August is 80° with an average low of 63°. 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.
