S
M
T
W
T
F
S
26
91°
65°
27
86°
63°
28
81°
62°
29
79°
65°
30
81°
64°
31
80°
67°
1
82°
68°
2
86°
68°
3
85°
67°
4
83°
67°
5
81°
66°
6
88°
68°
7
85°
67°
8
86°
65°
9
80°
61°
10
79°
59°
11
80°
65°
12
81°
66°
13
82°
62°
14
78°
57°
15
78°
59°
16
79°
62°
17
80°
65°
18
79°
59°
19
80°
61°
20
84°
64°
21
81°
59°
22
81°
64°
23
84°
64°
24
88°
64°
25
89°
63°
26
88°
54°
27
84°
51°
28
77°
50°
29
75°
51°
30
76°
53°
31
77°
51°
1
82°
48°
2
76°
48°
3
72°
47°
4
73°
48°
5
73°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Martinsburg
Martinsburg's August 2026 forecast shows daily high temperatures ranging from 72° to 91°, with overnight lows between 47° and 68°. The average high for August is 81° with an average low of 60°. 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 Martinsburg. See also: September | October | November.
