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