Measurements:
°C
°F
Harpers Ferry
90°F
N 5 mph
Feels like: 98°F
Precip: 7%
World Resorts USA Harpers Ferry Weather August Weather in Harpers Ferry

Harpers Ferry Weather: August

Average Day Temperature: 86.5°F
Average Night Temperature: 69.0°F
Number of Sunny Days: 10 days
Sunshine Hours: 13.1 - 14.2 hours
Number of Rainy Days: 4 days
Precipitation Totals: 1.4 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 99°F. The lowest night temperature was 51°F. The average values for day and night temperatures during August were 83.0°F и 64.3°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Harpers Ferry is 1.4 in. It makes august the most rainy month of the year.

Wind Speed in August, mph

The average wind speed in August is 5.0 mph. It makes August one of the most windless months of the year for Harpers Ferry.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Harpers Ferry in August is 7.5 hours.

Best Time to Visit Harpers Ferry
The most sunny months:
November 17 days
October 16 days
June 14 days
The most warm months:
July 91.6 °F
August 86.5 °F
June 84.3 °F
The most cold months:
January 36.9 °F
February 41.6 °F
December 42.5 °F
The most rainy months:
August 4 days
April 2 days
September 2 days
The most windy months:
March 8 mph
April 7 mph
January 7 mph

Harpers Ferry on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +102
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Harpers Ferry
Local time: 14:23
05 aug, wednesday
1500 90°F
N
5 mph
1800 90°F
N
6 mph
2100 82°F
NW
4 mph
06 aug, thursday
0000 80°F
NW
3 mph
0300 72°F
N
3 mph
0600 70°F
N
4 mph
0900 80°F
N
4 mph
1200 92°F
NE
7 mph