S
M
T
W
T
F
S
26
86°
63°
27
88°
64°
28
87°
67°
29
80°
67°
30
83°
66°
31
88°
59°
1
85°
63°
2
82°
71°
3
87°
65°
4
87°
60°
5
87°
71°
6
90°
69°
7
89°
69°
8
88°
69°
9
91°
66°
10
92°
70°
11
91°
68°
12
84°
63°
13
83°
63°
14
84°
60°
15
82°
59°
16
82°
60°
17
83°
59°
18
83°
63°
19
84°
62°
20
88°
65°
21
87°
63°
22
88°
65°
23
89°
66°
24
90°
65°
25
89°
65°
26
85°
64°
27
84°
64°
28
86°
63°
29
84°
62°
30
85°
63°
31
85°
63°
1
87°
60°
2
79°
56°
3
78°
55°
4
78°
56°
5
79°
54°
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 78° to 92°, with overnight lows between 54° and 70°. The average high for August is 85° with an average low of 63°. 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.
