S
M
T
W
T
F
S
28
76°
68°
29
87°
69°
30
90°
65°
1
98°
72°
2
101°
72°
3
101°
73°
4
100°
71°
5
94°
67°
6
98°
71°
7
80°
70°
8
81°
71°
9
86°
71°
10
83°
70°
11
87°
66°
12
86°
64°
13
85°
61°
14
91°
62°
15
97°
70°
16
96°
76°
17
88°
66°
18
89°
68°
19
83°
64°
20
84°
62°
21
86°
67°
22
86°
67°
23
81°
56°
24
79°
52°
25
80°
66°
26
86°
63°
27
87°
68°
28
83°
68°
29
84°
67°
30
84°
63°
31
85°
61°
1
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Harpers Ferry
Harpers Ferry's July 2026 forecast shows daily high temperatures ranging from 83° to 87°, with overnight lows between 61° and 68°. The average high for July is 85° with an average low of 65°. 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 Harpers Ferry. See also: August | September | October.