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
88°
68°
7
92°
68°
8
88°
69°
9
90°
69°
10
90°
66°
11
86°
67°
12
84°
68°
13
88°
69°
14
78°
69°
15
86°
65°
16
83°
70°
17
90°
71°
18
85°
62°
19
86°
59°
20
85°
65°
21
78°
59°
22
81°
59°
23
82°
61°
24
79°
54°
25
80°
57°
26
84°
63°
27
82°
63°
28
86°
64°
29
82°
61°
30
87°
60°
31
84°
59°
1
82°
58°
2
80°
57°
3
79°
56°
4
79°
57°
5
81°
56°
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 79° to 87°, with overnight lows between 54° and 64°. The average high for August is 82° with an average low of 59°. 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.
