S
M
T
W
T
F
S
26
80°
64°
27
82°
64°
28
81°
63°
29
81°
64°
30
82°
65°
31
82°
64°
1
81°
63°
2
77°
60°
3
75°
57°
4
74°
59°
5
74°
57°
6
75°
57°
7
76°
61°
8
78°
62°
9
81°
63°
10
81°
63°
11
80°
62°
12
78°
62°
13
81°
63°
14
81°
61°
15
80°
63°
16
76°
63°
17
75°
62°
18
82°
63°
19
81°
61°
20
77°
56°
21
78°
54°
22
74°
53°
23
74°
55°
24
75°
56°
25
74°
54°
26
74°
60°
27
76°
55°
28
74°
54°
29
74°
54°
30
75°
52°
31
72°
52°
1
72°
53°
2
73°
54°
3
71°
56°
4
71°
53°
5
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shenandoah
Shenandoah's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 52° and 65°. The average high for August is 77° with an average low of 59°. 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 Shenandoah. See also: September | October | November.