S
M
T
W
T
F
S
26
85°
67°
27
84°
67°
28
83°
66°
29
81°
63°
30
79°
60°
31
77°
59°
1
76°
59°
2
78°
60°
3
79°
66°
4
80°
63°
5
80°
65°
6
83°
67°
7
81°
65°
8
78°
62°
9
79°
60°
10
79°
60°
11
81°
64°
12
83°
67°
13
84°
65°
14
85°
66°
15
84°
65°
16
84°
66°
17
86°
62°
18
79°
58°
19
77°
56°
20
76°
56°
21
77°
57°
22
77°
56°
23
78°
57°
24
79°
57°
25
83°
58°
26
83°
61°
27
82°
59°
28
81°
56°
29
76°
55°
30
76°
56°
31
79°
59°
1
81°
55°
2
74°
54°
3
75°
57°
4
79°
61°
5
80°
62°
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 74° to 86°, with overnight lows between 54° and 67°. The average high for August is 80° 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 Glencoe. See also: September | October | November.
