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°
72°
3
86°
67°
4
85°
69°
5
88°
70°
6
89°
70°
7
92°
66°
8
87°
65°
9
89°
64°
10
88°
63°
11
86°
62°
12
86°
63°
13
85°
62°
14
84°
63°
15
83°
62°
16
81°
58°
17
89°
66°
18
88°
65°
19
88°
65°
20
87°
64°
21
87°
63°
22
86°
64°
23
89°
65°
24
89°
65°
25
88°
64°
26
85°
64°
27
83°
63°
28
85°
64°
29
83°
62°
30
84°
63°
31
84°
63°
1
85°
60°
2
78°
55°
3
77°
55°
4
77°
56°
5
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harpers Ferry
Harpers Ferry's August 2026 forecast shows daily high temperatures ranging from 77° to 92°, with overnight lows between 54° and 72°. 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 Harpers Ferry. See also: September | October | November.
