S
M
T
W
T
F
S
28
75°
70°
29
88°
72°
30
90°
68°
1
97°
73°
2
99°
79°
3
100°
75°
4
98°
73°
5
93°
72°
6
84°
71°
7
87°
66°
8
82°
66°
9
88°
67°
10
89°
68°
11
86°
64°
12
83°
65°
13
84°
65°
14
85°
64°
15
86°
66°
16
88°
64°
17
83°
64°
18
84°
67°
19
87°
68°
20
87°
67°
21
81°
67°
22
82°
66°
23
86°
68°
24
86°
68°
25
87°
67°
26
87°
68°
27
86°
68°
28
87°
67°
29
87°
68°
30
88°
69°
31
89°
69°
1
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Martinsburg
Martinsburg's July 2026 forecast shows daily high temperatures ranging from 81° to 100°, with overnight lows between 64° and 75°. The average high for July is 87° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Martinsburg. See also: August | September | October.
