S
M
T
W
T
F
S
26
99°
75°
27
99°
75°
28
99°
77°
29
98°
76°
30
100°
77°
31
101°
76°
1
96°
76°
2
100°
74°
3
101°
70°
4
101°
79°
5
100°
76°
6
100°
77°
7
99°
77°
8
99°
73°
9
98°
75°
10
98°
75°
11
100°
76°
12
101°
78°
13
102°
78°
14
98°
79°
15
101°
80°
16
101°
72°
17
103°
73°
18
101°
74°
19
102°
75°
20
103°
77°
21
102°
77°
22
104°
75°
23
104°
74°
24
101°
76°
25
103°
77°
26
102°
75°
27
101°
77°
28
100°
75°
29
99°
75°
30
97°
76°
31
98°
74°
1
94°
71°
2
96°
74°
3
97°
74°
4
96°
75°
5
97°
75°
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 94° to 104°, with overnight lows between 71° and 77°. The average high for August is 100° with an average low of 75°. 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.
