S
M
T
W
T
F
S
26
84°
68°
27
86°
66°
28
85°
65°
29
85°
67°
30
86°
71°
31
84°
66°
1
84°
71°
2
88°
71°
3
90°
66°
4
84°
65°
5
83°
64°
6
84°
65°
7
84°
66°
8
83°
65°
9
84°
65°
10
86°
68°
11
83°
68°
12
84°
70°
13
84°
70°
14
83°
69°
15
87°
70°
16
89°
64°
17
85°
63°
18
82°
64°
19
82°
67°
20
83°
63°
21
82°
63°
22
82°
64°
23
83°
66°
24
87°
67°
25
86°
66°
26
87°
62°
27
86°
61°
28
80°
60°
29
79°
61°
30
80°
61°
31
82°
65°
1
85°
66°
2
85°
66°
3
84°
63°
4
83°
66°
5
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Forest Glen
Forest Glen's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 60° and 71°. The average high for August is 84° with an average low of 66°. 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 Forest Glen. See also: September | October | November.