S
M
T
W
T
F
S
26
76°
58°
27
77°
59°
28
75°
57°
29
77°
55°
30
79°
59°
31
80°
58°
1
79°
51°
2
76°
50°
3
73°
51°
4
73°
51°
5
72°
50°
6
73°
50°
7
75°
51°
8
76°
55°
9
77°
57°
10
78°
57°
11
77°
56°
12
79°
57°
13
75°
57°
14
79°
56°
15
80°
49°
16
74°
55°
17
76°
48°
18
73°
48°
19
72°
47°
20
71°
49°
21
72°
52°
22
72°
51°
23
70°
49°
24
73°
55°
25
71°
51°
26
77°
55°
27
76°
54°
28
76°
50°
29
72°
53°
30
68°
49°
31
69°
46°
1
69°
45°
2
70°
45°
3
69°
52°
4
68°
48°
5
71°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Glen
Glen's August 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 44° and 59°. The average high for August is 74° with an average low of 52°. 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 Glen. See also: September | October | November.