Harpers Ferry, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harpers Ferry, a town in Jefferson County, West Virginia.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind around 6 mph.
7-day forecast for Harpers Ferry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 6 mph NE | 0% |
| Tonight | 68°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 7 mph E | 41% |
| Wednesday | 83°F | Rain Showers Likely then Chance Showers And Thunderstorms | 6 mph SE | 67% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 7 mph S | 46% |
| Thursday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph S | 45% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 45% |
| Friday | 88°F | Mostly Sunny then Showers And Thunderstorms Likely | 6 mph SW | 59% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SW | 59% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph W | 53% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 5 mph SW | 53% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 16% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 16% |
| Monday | 90°F | Mostly Sunny | 3 to 9 mph W | 12% |
| Monday Night | 71°F | Partly Cloudy | 5 to 8 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov) for Harpers Ferry (39.325, -77.741). Updated through the day.
Growing snapshot for Harpers Ferry
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
175 days
Hardiness zone
7a
More local growing data for Harpers Ferry: nearby ZIP 25425 weather · frost dates · planting calendar · West Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sharpsburg 5 S, Md (6.9 mi from Harpers Ferry). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.