S
M
T
W
T
F
S
26
91°
54°
27
90°
51°
28
92°
52°
29
90°
49°
30
91°
50°
31
91°
52°
1
90°
51°
2
92°
52°
3
92°
52°
4
91°
51°
5
91°
51°
6
90°
50°
7
91°
51°
8
91°
51°
9
90°
50°
10
91°
50°
11
91°
49°
12
90°
50°
13
90°
50°
14
89°
46°
15
87°
48°
16
88°
49°
17
89°
49°
18
88°
46°
19
89°
45°
20
88°
44°
21
85°
46°
22
84°
50°
23
85°
50°
24
88°
49°
25
88°
44°
26
84°
46°
27
83°
44°
28
83°
46°
29
85°
46°
30
84°
49°
31
84°
48°
1
83°
49°
2
84°
49°
3
88°
48°
4
82°
47°
5
82°
47°
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 82° to 92°, with overnight lows between 44° and 54°. The average high for August is 88° with an average low of 49°. 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.