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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Harpers Ferry, WV
Content continues below
May
Average Temperature
High
23°
Feels 24
Low
12°
Feels 11
Average Precipitation
12 Days
Rain amount
70.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
21°
13
23°
14
15°
15
21°
16
28°
17
32°
18
33°
19
33°
20
28°
21
23°
22
17°
23
19°
24
25°
25
26°
26
30°
27
28
29
30
31
Forecast
Tuesday, May 12, 2026
Day
21°
Feels 21
Wind
17 km/h S
Gust
25 km/h
Humidity
36%
P.O.P
10%
Night
11°
Feels 10
Wind
17 km/h S
Gust
26 km/h
Humidity
69%
P.O.P
20%
Historical Averages
May 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.